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This guide shows you how to roast\n these experimental lots from <strong>Scofi<\/strong> so you keep layered fruit and sweetness while avoiding harsh phenolics, vinegar notes\n and rubbery cups.\n <\/p>\n <\/div>\n\n <figure class=\"hero-figure\" aria-label=\"Anaerobic and carbonic maceration coffee roasting in a drum roaster\">\n <img decoding=\"async\" src=\"https:\/\/scofi.com.my\/coffee-tips-facts\/wp-content\/uploads\/2025\/11\/29351.jpg\" alt=\"Drum roaster handling anaerobic and carbonic maceration coffee beans\">\n <figcaption>Controlled profiles and strong airflow help keep anaerobic and carbonic coffees clean, not phenolic.<\/figcaption>\n <\/figure>\n <\/div>\n <\/header>\n\n \n <section id=\"process-basics\" class=\"wrap section-pad\">\n <div class=\"grid\">\n <div class=\"col-7\">\n <h2>What Are Anaerobic & Carbonic Maceration Coffees?<\/h2>\n <p>\n In traditional washed and natural processing, fermentation happens in open tanks or on patios, where yeast and bacteria work in the\n presence of oxygen. In <strong>anaerobic<\/strong> and <strong>carbonic maceration (CM)<\/strong>, producers ferment coffee in sealed tanks with very limited or no\n oxygen, often controlling temperature, time and pressure.\n <\/p>\n <p>\n Common patterns you\u2019ll see on Scofi offer sheets:\n <\/p>\n <ul>\n <li><strong>Anaerobic natural:<\/strong> whole cherries sealed in tanks, then dried as naturals.<\/li>\n <li><strong>Anaerobic honey:<\/strong> depulped coffee with mucilage left on, sealed in tanks, then dried like honey process.<\/li>\n <li><strong>Anaerobic washed:<\/strong> controlled tank fermentation followed by a washed process and clean drying.<\/li>\n <li><strong>Carbonic maceration:<\/strong> whole cherries in tanks saturated with CO\u2082, often borrowed from wine techniques.<\/li>\n <\/ul>\n <p>\n Done well, these methods can produce <strong>intense fruit, florals, spice and sweetness<\/strong> that stand out on any menu. Done poorly\u2014or\n roasted without care\u2014they can highlight <strong>acetic, phenolic and solvent-like notes<\/strong> that guests interpret as \u201cboozy\u201d, \u201cvinegar\u201d\n or \u201cchemical\u201d.\n <\/p>\n <p>\n Your job as a roaster is not to \u201cburn out\u201d the ferment, which isn\u2019t possible, but to <strong>shape it<\/strong>: showcase the structured, ripe\n side of the profile while keeping defects in check.\n <\/p>\n <\/div>\n <div class=\"col-5\">\n <div class=\"card\">\n <h3>Anaerobic & CM vs Classic Processes<\/h3>\n <table class=\"responsive\" aria-label=\"Anaerobic vs classic processes\">\n <thead><tr><th>Feature<\/th><th>Anaerobic \/ CM<\/th><th>Classic<\/th><\/tr><\/thead>\n <tbody>\n <tr>\n <td data-label=\"Feature\">Fermentation<\/td>\n <td data-label=\"Anaerobic \/ CM\">Sealed tanks, low oxygen<\/td>\n <td data-label=\"Classic\">Open tanks \/ patios<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Feature\">Aromatics<\/td>\n <td data-label=\"Anaerobic \/ CM\">Intense fruit, spice, florals<\/td>\n <td data-label=\"Classic\">Origin- and process-driven<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Feature\">Risk<\/td>\n <td data-label=\"Anaerobic \/ CM\">Phenolics, vinegar, solvent-like<\/td>\n <td data-label=\"Classic\">Sour, baked, simple<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Feature\">Roast sensitivity<\/td>\n <td data-label=\"Anaerobic \/ CM\">High\u2014profile exaggerates ferment<\/td>\n <td data-label=\"Classic\">Moderate<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <p class=\"meta\">\n Use these differences to decide where an anaerobic or CM lot from Scofi fits your menu: feature filter, modern espresso or blend component.\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section id=\"roaster-behaviour\" class=\"wrap section-pad\">\n <h2>How Anaerobic & CM Coffees Behave In The Roaster<\/h2>\n <div class=\"grid\">\n <div class=\"col-7\">\n <p>\n Physically, many anaerobic and carbonic coffees look similar to naturals or honeys: dense seeds (especially at altitude),\n sticky surfaces and strong aromatics. In the roaster, they often:\n <\/p>\n <ul>\n <li>Carry <strong>high aromatic load<\/strong> that releases aggressively around first crack.<\/li>\n <li>Show <strong>strong surface reactions<\/strong> (browning and caramelization) if charge is too aggressive.<\/li>\n <li>Respond badly to <strong>extreme profiles<\/strong>\u2014both overly slow and overly fast curves can highlight defects.<\/li>\n <\/ul>\n <p>\n Instead of aiming for maximum intensity, most roasteries succeed by treating these coffees as **high-aromatic naturals**\n that need:\n <\/p>\n <ul>\n <li>Gentle but sufficient charge temperature.<\/li>\n <li>Smooth, declining rate of rise (ROR) with no stalls or spikes.<\/li>\n <li>Strong, clean airflow to carry away smoke and volatile ferment compounds.<\/li>\n <\/ul>\n <p>\n The rest of this guide walks through how to design those profiles, drawing on fundamentals from:\n <\/p>\n <div class=\"pill-links\">\n <a href=\"\/coffee-tips-facts\/how-to-roast-green-coffee-for-roasters\/\">Roasting Fundamentals<\/a>\n <a href=\"\/coffee-tips-facts\/natural-process-taming-fruity-lots\/\">Roasting Natural Process<\/a>\n <a href=\"\/coffee-tips-facts\/honey-process-caramelization-sweetness\/\">Roasting Honey Process<\/a>\n <a href=\"\/coffee-tips-facts\/washed-arabica-clean-cups-bright-acidity\/\">Roasting Washed Arabica<\/a>\n <\/div>\n <\/div>\n <div class=\"col-5\">\n <div class=\"note\">\n <strong class=\"badge\">Roaster Note<\/strong>\n <p style=\"margin:.5rem 0 0\">\n Don\u2019t try to \u201cerase\u201d ferment character. Instead, build profiles that turn wild edges into structured fruit, spice and sweetness.\n If a green lot is truly over-fermented, roasting alone cannot fix it\u2014use Scofi cupping notes as your baseline.\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section id=\"profile-strategy\" class=\"wrap section-pad\">\n <h2>Profile Strategy \u2014 Avoiding Phenolics, Keeping Structure<\/h2>\n <div class=\"grid\">\n <div class=\"col-7\">\n <p>\n Phenolic and vinegar-like notes in anaerobic or CM coffees show up fastest when profiles are <strong>too extreme<\/strong>: very slow,\n low-energy roasts that bake, or very aggressive roasts that scorch and emphasize volatile defects.\n <\/p>\n\n <h3>1. Charge & Drying \u2014 Gentle On, Not Weak<\/h3>\n <p>\n Most roasters find success charging slightly below their hottest naturals, but high enough that the drum doesn\u2019t struggle.\n <\/p>\n <ul>\n <li>Use a <strong>moderate charge temperature<\/strong>\u2014below your most aggressive natural profiles.<\/li>\n <li>Avoid huge gas spikes after turning point; aim for a smooth climb in ROR.<\/li>\n <li>Run <strong>good airflow<\/strong> from the start to control smoke and moisture.<\/li>\n <\/ul>\n <p>\n Drying phase (to yellow) often lands in the <strong>4\u20135 minute<\/strong> range. Too fast and you risk uneven internal moisture;\n too slow and you set up the roast to bake.\n <\/p>\n\n <h3>2. Maillard \u2014 Where You Shape Ferment Expression<\/h3>\n <p>\n For many anaerobic coffees, Maillard is where you decide whether the cup will taste like elegant fruit and spice, or like\n vinegar, rubber and ferment.\n <\/p>\n <ul>\n <li>Give Maillard enough time\u2014often <strong>4.5\u20135.5 minutes<\/strong> for medium-density lots.<\/li>\n <li>Keep ROR gently declining; avoid flat spots that lead to baked, hollow cups.<\/li>\n <li>Maintain airflow high enough to remove excess volatiles without stripping all aromatics.<\/li>\n <\/ul>\n <p>\n If cups taste **sharp, solvent-like or \u201cnail polish\u201d**, profiles may be too aggressive or too short through Maillard.\n If they taste **flat, stewed and heavy**, Maillard and development are likely extended at very low energy.\n <\/p>\n\n <h3>3. Development \u2014 Finish Without \u201cCooking The Tank\u201d<\/h3>\n <p>\n First crack is explosive on many anaerobic and CM coffees\u2014aroma fills the room quickly. It\u2019s tempting to push development hard\n to \u201csmooth it out\u201d, but this often concentrates heavy ferment notes.\n <\/p>\n <ul>\n <li><strong>Filter:<\/strong> ~1:10\u20131:50 after first crack (about 15\u201319% of total time).<\/li>\n <li><strong>Espresso:<\/strong> ~1:30\u20132:20 after first crack (about 18\u201322% of total time).<\/li>\n <\/ul>\n <p>\n Stay on the lighter\u2013medium side for filter and the lower end of medium for espresso. You want <strong>clear structure and sweetness<\/strong>,\n not \u201ccooked ferment\u201d.\n <\/p>\n <\/div>\n <div class=\"col-5\">\n <div class=\"card\">\n <h3>Safe Starting Points (Dense Anaerobic Lot)<\/h3>\n <table class=\"responsive\" aria-label=\"Anaerobic starting profile\">\n <thead><tr><th>Phase<\/th><th>Target<\/th><th>Notes<\/th><\/tr><\/thead>\n <tbody>\n <tr>\n <td data-label=\"Phase\">Drying<\/td>\n <td data-label=\"Target\">4:00\u20134:45<\/td>\n <td data-label=\"Notes\">Smooth ROR rise, strong airflow.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Phase\">Maillard<\/td>\n <td data-label=\"Target\">4:30\u20135:30<\/td>\n <td data-label=\"Notes\">Gently declining ROR; no stalls.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Phase\">Development (filter)<\/td>\n <td data-label=\"Target\">1:15\u20131:40<\/td>\n <td data-label=\"Notes\">15\u201319% dev; lighter color.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Phase\">Development (espresso)<\/td>\n <td data-label=\"Target\">1:30\u20132:10<\/td>\n <td data-label=\"Notes\">18\u201322% dev; lower medium.<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <p class=\"meta\">\n Adjust from these baselines based on Scofi\u2019s green specs (moisture, density) and your roaster\u2019s responsiveness.\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section id=\"filter-espresso\" class=\"wrap section-pad\">\n <h2>Filter vs Espresso \u2014 Choosing The Right Roles<\/h2>\n <div class=\"grid\">\n <div class=\"col-7\">\n <h3>Filter Roast \u2014 Showcase The Story Carefully<\/h3>\n <p>\n Anaerobic and CM coffees are often sold as <strong>feature filters<\/strong>\u2014they taste like nothing else on the menu when profiles are\n dialled in. Aim for:\n <\/p>\n <ul>\n <li>Light\u2013medium roast with 15\u201319% development.<\/li>\n <li>Flavor notes that emphasize <em>ripe fruit, florals, spice, cocoa<\/em> rather than vinegar or alcohol.<\/li>\n <li>Brew ratios of <strong>1:15\u20131:16<\/strong> at <strong>92\u201396 \u00b0C<\/strong>, with close monitoring of extraction to avoid astringency.<\/li>\n <\/ul>\n <p>\n If guests describe the cup as \u201ctoo boozy\u201d or \u201clike wine vinegar\u201d, test profiles with <strong>slightly more Maillard, controlled ROR\n and slightly shorter development<\/strong> to see if structure improves.\n <\/p>\n\n <h3>Espresso Roast \u2014 High-Impact, High-Risk<\/h3>\n <p>\n As espresso, anaerobic and CM coffees deliver <strong>very intense flavor<\/strong>, which can be amazing for adventurous guests but\n overwhelming for others.\n <\/p>\n <ul>\n <li>Roast to lower\u2013medium with 18\u201322% development.<\/li>\n <li>Target a sweet, structured shot with fruit and spice, not just ferment.<\/li>\n <li>Start with ratios of <strong>1:2\u20131:2.2<\/strong>, 28\u201332 seconds, then adjust dose and time for balance.<\/li>\n <\/ul>\n <p>\n Many roasteries launch anaerobic espresso as <strong>limited-time features<\/strong> with clear descriptions, while using more classical\n washed or honey coffees as the mainline milk-based espresso.\n <\/p>\n <\/div>\n <div class=\"col-5\">\n <div class=\"card\">\n <h3>Menu Roles For Anaerobic & CM Coffees<\/h3>\n <table class=\"responsive\" aria-label=\"Menu roles for anaerobic coffees\">\n <thead><tr><th>Role<\/th><th>Roast Direction<\/th><th>Notes<\/th><\/tr><\/thead>\n <tbody>\n <tr>\n <td data-label=\"Role\">Feature filter<\/td>\n <td data-label=\"Roast Direction\">Light\u2013medium<\/td>\n <td data-label=\"Notes\">Tell the process story; ideal for tastings.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Role\">Signature espresso<\/td>\n <td data-label=\"Roast Direction\">Lower medium<\/td>\n <td data-label=\"Notes\">Intense fruit and spice for adventurous guests.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Role\">Blend accent<\/td>\n <td data-label=\"Roast Direction\">Medium<\/td>\n <td data-label=\"Notes\">Use 10\u201330% to add complexity to a classic base.<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <p class=\"meta\">\n Scofi can recommend whether a given anaerobic or CM lot is best as a feature, espresso, or blend component for your market.\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section id=\"defects\" class=\"wrap section-pad\">\n <h2>Common Defects In Anaerobic & CM Roasts<\/h2>\n <div class=\"grid\">\n <div class=\"col-7\">\n <p>\n Not every problem in these coffees is a roast issue\u2014some are intrinsic to the processing. But your profile can either\n **amplify** or **soften** them. These are the patterns Scofi sees most often when roasters ask for help.\n <\/p>\n\n <h3>1. Phenolic \/ Solvent-Like Notes<\/h3>\n <p><strong>Symptoms:<\/strong> nail polish remover, plastic, bandage or chemical-like aromatics.<\/p>\n <p><strong>Possible sources:<\/strong><\/p>\n <ul>\n <li>Strong phenolic compounds from the fermentation itself.<\/li>\n <li>Overly aggressive early heat or very short Maillard, exaggerating sharp edges.<\/li>\n <li>Very dark development trying to \u201ccook out\u201d defects (it doesn\u2019t work).<\/li>\n <\/ul>\n <p><strong>Adjustments:<\/strong> use a more moderate charge, lengthen Maillard slightly with steady ROR, and avoid deep development.\n If phenolics persist across profiles, the green lot itself may be at fault\u2014Scofi cuppings will usually flag this.<\/p>\n\n <h3>2. Excessive Acetic \/ Vinegar Character<\/h3>\n <p><strong>Symptoms:<\/strong> sharp, vinegary acidity that overwhelms fruit; cups can feel thin and spiky.<\/p>\n <p><strong>Possible sources:<\/strong><\/p>\n <ul>\n <li>High acetic load from fermentation and drying.<\/li>\n <li>Profiles that are too fast and light, offering no structure to balance acids.<\/li>\n <li>Very slow, baked roasts that leave acidity but kill sweetness.<\/li>\n <\/ul>\n <p><strong>Adjustments:<\/strong> test curves with slightly longer Maillard, moderate development, and stable ROR. Avoid\n both ultra-fast Nordic-style extremes and very slow, low-energy roasts\u2014aim for a <strong>balanced middle path<\/strong>.<\/p>\n\n <h3>3. Hollow, Baked Cups<\/h3>\n <p><strong>Symptoms:<\/strong> big aromatics in the grinder, but flat, hollow cups with little sweetness and a drying finish.<\/p>\n <p><strong>Possible sources:<\/strong><\/p>\n <ul>\n <li>Stalled or flat ROR in the middle and late phases.<\/li>\n <li>Overly cautious charge leading to long total roast times.<\/li>\n <\/ul>\n <p><strong>Adjustments:<\/strong> increase energy earlier, avoid long plateaus, and shorten total roast by 30\u201360 seconds while keeping\n development percentage reasonable.<\/p>\n\n <p>\n For a broader defect overview across all processes, you can build out or consult\n <a href=\"\/coffee-tips-facts\/roast-defects-101\">Roast Defects 101<\/a> as a companion guide to this page.\n <\/p>\n <\/div>\n <div class=\"col-5\">\n <div class=\"card\">\n <h3>Defect Quick Reference<\/h3>\n <table class=\"responsive\" aria-label=\"Defect quick reference\">\n <thead><tr><th>Defect<\/th><th>Check<\/th><\/tr><\/thead>\n <tbody>\n <tr>\n <td data-label=\"Defect\">Phenolic \/ solvent<\/td>\n <td data-label=\"Check\">\n \u2022 Compare with Scofi cupping notes<br>\n \u2022 Try gentler charge & longer Maillard<br>\n \u2022 Avoid deep roasting to \u201cfix\u201d it\n <\/td>\n <\/tr>\n <tr>\n <td data-label=\"Defect\">Vinegary \/ harsh acid<\/td>\n <td data-label=\"Check\">\n \u2022 Too fast or too slow curve?<br>\n \u2022 Dev% in range?<br>\n \u2022 Extraction yield too high?\n <\/td>\n <\/tr>\n <tr>\n <td data-label=\"Defect\">Hollow & baked<\/td>\n <td data-label=\"Check\">\n \u2022 Flat ROR mid-late?<br>\n \u2022 Total roast time too long?<br>\n \u2022 Undercharged batch?\n <\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <p class=\"meta\">\n Always record charge temp, gas and airflow steps, total time and development% when troubleshooting anaerobic or CM lots.\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section id=\"variants\" class=\"wrap section-pad\">\n <h2>Anaerobic Variants \u2014 Natural, Honey & Washed<\/h2>\n <div class=\"grid\">\n <div class=\"col-7\">\n <p>\n \u201cAnaerobic\u201d and \u201ccarbonic maceration\u201d describe fermentation conditions, not the entire process. You\u2019ll see them combined with\n washed, honey and natural drying styles, and each behaves slightly differently in the roaster.\n <\/p>\n\n <h3>Anaerobic Natural<\/h3>\n <p>\n Whole cherry fermentation in tanks, then dried as natural. Expect:\n <\/p>\n <ul>\n <li>Very intense fruit and aromatics.<\/li>\n <li>Higher risk of phenolic or vinegar notes if processing or storage was marginal.<\/li>\n <li>Profiles closest to <strong>careful natural roasting<\/strong> with extra attention to airflow and development length.<\/li>\n <\/ul>\n\n <h3>Anaerobic Honey<\/h3>\n <p>\n Depulped coffee with mucilage left on, sealed fermentation, then dried as honey. These:\n <\/p>\n <ul>\n <li>Often balance sweetness and fruit with less risk than heavy naturals.<\/li>\n <li>Can scorch if charge is too aggressive (sticky surfaces).<\/li>\n <li>Respond well to profiles between your honey and anaerobic-natural curves.<\/li>\n <\/ul>\n\n <h3>Anaerobic Washed<\/h3>\n <p>\n Fermentation in sealed tanks followed by thorough washing and clean drying. You may see:\n <\/p>\n <ul>\n <li>Cleaner, more \u201cstructured\u201d ferment character.<\/li>\n <li>Roaster behaviour closer to washed coffees with extra aromatics.<\/li>\n <li>Profiles that look like your washed curves with slightly more cautious charge and airflow tuning.<\/li>\n <\/ul>\n\n <p>\n Scofi spec sheets will indicate the <strong>process combination<\/strong> (e.g., \u201canaerobic natural\u201d, \u201cCM honey\u201d). Use that plus moisture\n and density data to choose your starting profile, then refine through cupping and logging.\n <\/p>\n <\/div>\n <div class=\"col-5\">\n <div class=\"note\">\n <strong class=\"badge\">Scofi Support<\/strong>\n <p style=\"margin:.5rem 0 0\">\n When you receive an anaerobic or CM lot from Scofi, share the spec sheet and your roaster model with us. We can tell you\n whether to treat it more like a natural, honey or washed roast, and recommend starting curves for filter and espresso.\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section id=\"working-with-scofi\" class=\"wrap section-pad\">\n <h2>Working With Scofi: Safely Featuring Anaerobic & CM Coffees<\/h2>\n <div class=\"grid\">\n <div class=\"col-7\">\n <p>\n Experimental processes can be a big win for your brand when they are <strong>consistent, well-communicated and technically sound<\/strong>.\n Scofi\u2019s role is to help you choose lots that fit your market and roast them confidently.\n <\/p>\n\n <h3>What Scofi Provides For Anaerobic & CM Lots<\/h3>\n <ul>\n <li><strong>Green specs:<\/strong> processing details, moisture, density, screen, harvest date and storage notes.<\/li>\n <li><strong>Cupping data:<\/strong> flavor descriptors, ideal brew methods and recommended menu roles.<\/li>\n <li><strong>Profile guidance:<\/strong> suggested charge ranges, phase splits and target development percentages.<\/li>\n <li><strong>Feedback loop:<\/strong> we welcome your roast curves and cupping results to refine recommendations.<\/li>\n <\/ul>\n\n <h3>Simple Protocol For New Anaerobic \/ CM Coffees<\/h3>\n <ol>\n <li>Sample roast using a safe, moderate curve based on Scofi guidance.<\/li>\n <li>Cup and decide on primary menu role (feature filter, espresso, blend accent).<\/li>\n <li>Run 2\u20133 test production roasts varying Maillard length and development, keeping charge constant.<\/li>\n <li>Cup blind and select the profile that balances fruit, ferment and sweetness best.<\/li>\n <li>Document gas, airflow and timings so your team can repeat the profile reliably.<\/li>\n <\/ol>\n <p>\n Over time, you\u2019ll build an internal <strong>playbook for anaerobic and CM coffees<\/strong>, letting you say \u201cyes\u201d to high-impact lots from Scofi\n without fearing phenolics or vinegar bombs on bar.\n <\/p>\n <\/div>\n <div class=\"col-5\">\n <div class=\"card\">\n <h3>Anaerobic Onboarding Checklist<\/h3>\n <table class=\"responsive\" aria-label=\"Anaerobic onboarding checklist\">\n <thead><tr><th>Step<\/th><th>Key Action<\/th><\/tr><\/thead>\n <tbody>\n <tr>\n <td data-label=\"Step\">1. Understand<\/td>\n <td data-label=\"Key Action\">Read Scofi specs & cupping sheet.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Step\">2. Test<\/td>\n <td data-label=\"Key Action\">Run a few curves; change one variable at a time.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Step\">3. Choose<\/td>\n <td data-label=\"Key Action\">Cup blind; pick the most balanced profile.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Step\">4. Standardise<\/td>\n <td data-label=\"Key Action\">Create a profile sheet; train staff.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Step\">5. Review<\/td>\n <td data-label=\"Key Action\">Re-cup mid-season; adjust as coffee ages.<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <p class=\"meta\">\n Share your final profile with Scofi so we can look for future lots that behave similarly in your roaster.\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section id=\"faq\" class=\"wrap section-pad faq\">\n <h2>FAQ \u2014 Roasting Anaerobic & Carbonic Coffees<\/h2>\n\n <details>\n <summary><span class=\"bean\"><\/span>How are anaerobic and carbonic maceration coffees different from naturals?<\/summary>\n <div class=\"content\">\n Anaerobic and carbonic coffees are fermented in sealed tanks with very low oxygen, often under controlled temperature and pressure.\n They can be dried as naturals, honeys or washed coffees, but their fermentation environment is more controlled and usually produces\n <strong>stronger, more distinctive aromatics<\/strong> than typical open-tank naturals.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>Can I roast out phenolic or vinegar defects?<\/summary>\n <div class=\"content\">\n No. Roasting cannot \u201cerase\u201d phenolic or vinegar defects that are intrinsic to the green coffee. However, your profile can either\n <strong>amplify or soften<\/strong> how they appear. Moderate charge, balanced Maillard and sensible development help keep the best parts of the\n coffee while avoiding extremes that highlight defects.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>What development time should I use for anaerobic filter roasts?<\/summary>\n <div class=\"content\">\n A good starting point is <strong>1:10\u20131:50 after first crack<\/strong>, roughly <strong>15\u201319% of total roast time<\/strong>. From there, you can adjust\n development and Maillard length based on cupping: if the coffee tastes sharp and solvent-like, extend Maillard slightly; if it tastes\n heavy and stewed, reduce total time and avoid very slow curves.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>Are anaerobic coffees always best as light roasts?<\/summary>\n <div class=\"content\">\n Not always. Very light roasts can amplify sharp ferment or vinegar notes, especially if the lot has high acetic load. Most roasteries\n find more balance at <strong>light\u2013medium levels for filter<\/strong> and <strong>lower medium for espresso<\/strong>, where sweetness and structure can match the\n aromatic intensity.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>How can I reduce \u201cboozy\u201d or \u201cwiney\u201d notes?<\/summary>\n <div class=\"content\">\n First, verify whether those notes are part of Scofi\u2019s cupping description. If they are, your job is to <strong>frame them with sweetness\n and structure<\/strong>, not remove them. If they feel harsh, test profiles with steadier ROR, slightly longer Maillard and controlled\n development, and make sure your brew extractions aren\u2019t excessively high.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>Should I treat anaerobic washed differently from anaerobic natural?<\/summary>\n <div class=\"content\">\n Yes. Anaerobic washed coffees tend to behave closer to washed coffees in the roaster, with cleaner structure and less risk of heavy\n ferment. You can usually use profiles close to your washed roasts with slightly more cautious charge and airflow tuning, while\n anaerobic naturals often need more careful energy management like high-aromatic naturals.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>Are anaerobic coffees suitable for espresso?<\/summary>\n <div class=\"content\">\n They can be, but they are <strong>high impact and high risk<\/strong>. Many roasters use anaerobic or CM coffees as <strong>signature or limited-time\n espressos<\/strong> with clear menu descriptions, rather than as mainline milk-based espresso. Start with lower medium roast levels and\n conservative brew ratios, then adjust based on guest feedback.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>Can I use anaerobic coffees in blends?<\/summary>\n <div class=\"content\">\n Yes. Using <strong>10\u201330% anaerobic or CM coffee<\/strong> in a blend can add complexity and fruit to a classic washed or honey base. Blends are also\n a good way to introduce these profiles to guests who may find single-origin anaerobic cups too intense on their own.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>How long should I rest anaerobic roasts before serving?<\/summary>\n <div class=\"content\">\n These coffees often benefit from slightly longer rest compared to straightforward washed lots. Many roasteries like <strong>3\u20137 days for\n filter<\/strong> and <strong>7\u201314 days for espresso<\/strong>, but the optimal window depends on roast level, processing style and your flavor targets.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>Can Scofi help design profiles for specific anaerobic lots?<\/summary>\n <div class=\"content\">\n Yes. Scofi can provide <strong>green specs, cupping notes and suggested starting curves<\/strong> for each anaerobic or carbonic lot, then review your\n roast logs and cupping feedback to refine profiles. We aim to be a technical partner for roasters, not just a green coffee supplier.\n <\/div>\n <\/details>\n <\/section>\n\n \n <section class=\"wrap explore section-pad\" id=\"explore\">\n <h2>Keep Building Your Roasting Playbook With Scofi<\/h2>\n <p class=\"meta\">Process-specific guides to help you design consistent profiles for every style of green coffee.<\/p>\n <div class=\"explore-grid\">\n <div class=\"tile\">\n <div class=\"dot\"><\/div>\n <div>\n <a href=\"\/coffee-tips-facts\/how-to-roast-green-coffee-for-roasters\/\">How To Roast Green Coffee<\/a>\n <p>Core fundamentals: temperatures, phase splits and profile design.<\/p>\n <\/div>\n <\/div>\n <div class=\"tile\">\n <div class=\"dot\"><\/div>\n <div>\n <a href=\"\/coffee-tips-facts\/washed-arabica-clean-cups-bright-acidity\/\">Roasting Washed Arabica<\/a>\n <p>Clean cups, bright acidity and structured sweetness.<\/p>\n <\/div>\n <\/div>\n <div class=\"tile\">\n <div class=\"dot\"><\/div>\n <div>\n <a href=\"\/coffee-tips-facts\/natural-process-taming-fruity-lots\/\">Roasting Natural Process<\/a>\n <p>Keep fruit intensity without baked or phenolic cups.<\/p>\n <\/div>\n <\/div>\n <div class=\"tile\">\n <div class=\"dot\"><\/div>\n <div>\n <a href=\"\/coffee-tips-facts\/honey-process-caramelization-sweetness\/\">Roasting Honey Process<\/a>\n <p>Manage caramelization and sweetness without scorch.<\/p>\n <\/div>\n <\/div>\n <div class=\"tile\">\n <div class=\"dot\"><\/div>\n <div>\n <a href=\"\/coffee-tips-facts\/wet-hulled-giling-basah-indonesia-body-vs-clarity\/\">Roasting Wet-Hulled Indonesia<\/a>\n <p>Balancing big body with clarity in giling basah lots.<\/p>\n <\/div>\n <\/div>\n <div class=\"tile\">\n <div class=\"dot\"><\/div>\n <div>\n <a href=\"\/coffee-tips-facts\/decaf-roast-guide-lower-charge-longer-development\/\">Decaf Roast Guide<\/a>\n <p>Lower charge temperatures, longer development without baking.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section class=\"cta-band\" id=\"cta-bottom\">\n <div class=\"cta-inner\">\n <div class=\"cta-box-final\">\n <h2>Plan Your Next Anaerobic \/ Carbonic Roast With Scofi<\/h2>\n <p>\n Share your menu role, flavor targets and roaster setup. We\u2019ll recommend suitable anaerobic or carbonic maceration\n <strong>green coffee beans<\/strong> from Scofi stock, provide starting profiles, and help you avoid phenolic or vinegar-heavy cups.\n <\/p>\n <div class=\"cta-actions\">\n <a class=\"btn primary\" href=\"https:\/\/scofi.com.my\/contact-us\">Talk To Scofi About Anaerobic Coffees<\/a>\n <a class=\"btn contact-white\" href=\"\/coffee-tips-facts\/how-to-roast-green-coffee-for-roasters\/\">Roasting Fundamentals Guide<\/a>\n <a class=\"btn wa\" href=\"https:\/\/wa.me\/60102684133?text=Hi%20Scofi%2C%20I%20need%20help%20dialing%20in%20an%20anaerobic%20%2F%20carbonic%20maceration%20roast%20for%20the%20guide%20Roasting%20Anaerobic%20%2F%20Carbonic%20Maceration%3A%20Avoiding%20Phenolics.\">WhatsApp Scofi<\/a>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <script type=\"application\/ld+json\">\n {\n \"@context\":\"https:\/\/schema.org\",\n \"@type\":\"WebPage\",\n \"name\":\"Roasting Anaerobic \/ Carbonic Maceration: Avoiding Phenolics | Scofi\",\n \"url\":\"https:\/\/scofi.com.my\/coffee-tips-facts\/anaerobic-carbonic-maceration-avoiding-phenolics\/\",\n \"description\":\"Learn how to roast anaerobic and carbonic maceration coffees from Scofi without harsh phenolics or vinegar notes\u2014covering charge temps, airflow and profile design.\",\n \"inLanguage\":\"en\",\n \"image\":\"https:\/\/scofi.com.my\/coffee-tips-facts\/wp-content\/uploads\/2025\/11\/29351.jpg\",\n \"about\":{\"@type\":\"Thing\",\"name\":\"Roasting anaerobic and carbonic maceration coffee\"}\n }\n <\/script>\n\n \n <script type=\"application\/ld+json\">\n {\n \"@context\":\"https:\/\/schema.org\",\n \"@type\":\"FAQPage\",\n \"mainEntity\":[\n {\n \"@type\":\"Question\",\n \"name\":\"How are anaerobic and carbonic maceration coffees different from naturals?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Anaerobic and carbonic coffees are fermented in sealed tanks with very low oxygen, often under controlled temperature and pressure. They can be dried as naturals, honeys or washed coffees, but the fermentation environment is more controlled and usually produces stronger, more distinctive aromatics than typical open-tank naturals.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"Can I roast out phenolic or vinegar defects?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Roasting cannot erase phenolic or vinegar defects that are intrinsic to the green coffee. However, your profile can either amplify or soften how they appear. Moderate charge, balanced Maillard and sensible development help keep the best parts of the coffee while avoiding extremes that highlight defects.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"What development time should I use for anaerobic filter roasts?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A good starting point is 1:10\u20131:50 after first crack, roughly 15\u201319% of total roast time. From there you can adjust development and Maillard length based on cupping: if the coffee tastes sharp and solvent-like, extend Maillard slightly; if it tastes heavy and stewed, reduce total time and avoid very slow curves.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"Are anaerobic coffees always best as light roasts?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not always. Very light roasts can amplify sharp ferment or vinegar notes, especially if the lot has high acetic load. Many roasteries find more balance at light\u2013medium levels for filter and lower medium for espresso, where sweetness and structure can match the aromatic intensity.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"How can I reduce boozy or winey notes?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"First, verify whether those notes are part of the coffee\u2019s intended profile. If they are, your job is to frame them with sweetness and structure, not remove them. If they feel harsh, test profiles with steadier rate of rise, slightly longer Maillard and controlled development, and make sure brew extractions are not excessively high.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"Should I treat anaerobic washed differently from anaerobic natural?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Anaerobic washed coffees tend to behave closer to washed coffees in the roaster, with cleaner structure and less risk of heavy ferment. You can usually use profiles close to your washed roasts with slightly more cautious charge and airflow tuning, while anaerobic naturals often need more careful energy management like high-aromatic naturals.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"Are anaerobic coffees suitable for espresso?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"They can be, but they are high impact and high risk. Many roasters use anaerobic or carbonic coffees as signature or limited-time espressos with clear menu descriptions, while keeping more classic washed or honey coffees as the mainline milk-based espresso.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"Can I use anaerobic coffees in blends?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Using 10\u201330% anaerobic or carbonic coffee in a blend can add complexity and fruit to a classic washed or honey base. Blends are also a good way to introduce these profiles to guests who may find single-origin anaerobic cups too intense on their own.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"How long should I rest anaerobic roasts before serving?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These coffees often benefit from slightly longer rest compared with straightforward washed lots. Many roasteries like 3\u20137 days post-roast for filter and 7\u201314 days for espresso, but the optimal window depends on roast level, processing style and your flavor targets.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"Can Scofi help design profiles for specific anaerobic lots?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Scofi can provide green specs, cupping notes and suggested starting curves for each anaerobic or carbonic lot, then review your roast logs and cupping feedback to refine profiles. 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Many show best at light\u2013medium for filter and lower medium for espresso.\"},\n {\"q\":\"How can I reduce boozy or winey notes?\",\"a\":\"Use steady ROR, slightly longer Maillard, moderate development and avoid extreme extraction in brewing.\"},\n {\"q\":\"Should I treat anaerobic washed differently from anaerobic natural?\",\"a\":\"Yes\u2014anaerobic washed behaves closer to washed coffee, while anaerobic naturals behave more like high-aromatic naturals.\"},\n {\"q\":\"Are anaerobic coffees suitable for espresso?\",\"a\":\"They can be, especially as signature or limited-time espressos for adventurous guests.\"},\n {\"q\":\"Can I use anaerobic coffees in blends?\",\"a\":\"Yes. 10\u201330% in a blend can add complexity and fruit to a classic washed or honey base.\"},\n {\"q\":\"How long should anaerobic roasts rest?\",\"a\":\"Typically 3\u20137 days for filter and 7\u201314 days for espresso, depending on roast level and flavor goals.\"},\n {\"q\":\"Can Scofi help design profiles for specific anaerobic lots?\",\"a\":\"Yes\u2014Scofi can share specs and starting curves, then refine them using your logs and cupping feedback.\"}\n ]\n }\n <\/script>\n<\/body>\n<\/html>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Roasting Anaerobic \/ Carbonic Maceration: Avoiding Phenolics | Scofi Home \u203a Coffee Tips & Facts \u203a Roasting Anaerobic \/ Carbonic Scofi \u2022 Roasting Guide Roasting Anaerobic \/ Carbonic Maceration: Avoiding Phenolics Anaerobic and carbonic maceration coffees can be intensely aromatic and complex\u2014but also risky. 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\n\t\t\t\t\t\n\n\n \n Roasting Anaerobic \/ Carbonic Maceration: Avoiding Phenolics | Scofi<\/title>\n <meta name=\"description\" content=\"Learn how to roast anaerobic and carbonic maceration coffees from Scofi without harsh phenolics or vinegar notes\u2014covering charge temps, airflow and profile design.\" \/>\n <link rel=\"canonical\" href=\"https:\/\/scofi.com.my\/coffee-tips-facts\/anaerobic-carbonic-maceration-avoiding-phenolics\/\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" \/>\n <style>\n :root{\n --brand:#2d2a26; --accent:#8a5a3c; --accent2:#5a3b2c;\n --cream:#f7f3ef; --line:#e7ded6; --ink:#4c4844; --good:#1fa855;\n }\n html{scroll-behavior:smooth}\n body{margin:0;font-family:\"Inter\",\"Poppins\",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--brand);background:#fff;line-height:1.65;font-size:16px;overflow-x:hidden}\n .wrap{max-width:1100px;margin:0 auto;padding-inline:clamp(18px,4.5vw,28px)}\n .section-pad{padding-block:46px;border-bottom:1px solid var(--line)}\n .breadcrumbs{font-size:.9rem;margin:6px 0 18px}\n .breadcrumbs a{color:var(--accent);text-decoration:none}\n\n \/* HERO *\/\n header.hero{background:linear-gradient(180deg,var(--cream),#fff);border-bottom:1px solid var(--line)}\n .hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;padding:24px 0 22px}\n @media(max-width:900px){.hero-inner{grid-template-columns:1fr}}\n header.hero .wrap{padding-left:0 !important;padding-right:0 !important}\n header.hero .hero-inner{padding-left:10px !important;padding-right:10px !important}\n .hero-text{padding-left:10px !important;padding-right:10px !important}\n .eyebrow{text-transform:uppercase;letter-spacing:.12em;font-weight:600;color:var(--accent);font-size:.85rem}\n h1,h2,h3{color:var(--accent2)}\n h1{font-size:clamp(28px,4vw,44px);line-height:1.18;margin:.5rem 0 1rem}\n p.lede{font-size:1.08rem;color:var(--ink);max-width:880px;margin:0 0 14px}\n .hero-figure{margin:0}\n .hero-figure img{width:100%;height:auto;border:1px solid var(--line);border-radius:16px}\n .hero-figure figcaption{font-size:.85rem;color:#6b655f;margin-top:6px}\n\n \/* Buttons (only used in final CTA) *\/\n .cta-row{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}\n .btn{\n display:inline-block;\n padding:12px 18px;\n border-radius:12px;\n text-decoration:none;\n font-weight:600;\n white-space:nowrap; 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This guide shows you how to roast\n these experimental lots from <strong>Scofi<\/strong> so you keep layered fruit and sweetness while avoiding harsh phenolics, vinegar notes\n and rubbery cups.\n <\/p>\n <\/div>\n\n <figure class=\"hero-figure\" aria-label=\"Anaerobic and carbonic maceration coffee roasting in a drum roaster\">\n <img decoding=\"async\" src=\"https:\/\/scofi.com.my\/coffee-tips-facts\/wp-content\/uploads\/2025\/11\/29351.jpg\" alt=\"Drum roaster handling anaerobic and carbonic maceration coffee beans\">\n <figcaption>Controlled profiles and strong airflow help keep anaerobic and carbonic coffees clean, not phenolic.<\/figcaption>\n <\/figure>\n <\/div>\n <\/header>\n\n \n <section id=\"process-basics\" class=\"wrap section-pad\">\n <div class=\"grid\">\n <div class=\"col-7\">\n <h2>What Are Anaerobic & Carbonic Maceration Coffees?<\/h2>\n <p>\n In traditional washed and natural processing, fermentation happens in open tanks or on patios, where yeast and bacteria work in the\n presence of oxygen. In <strong>anaerobic<\/strong> and <strong>carbonic maceration (CM)<\/strong>, producers ferment coffee in sealed tanks with very limited or no\n oxygen, often controlling temperature, time and pressure.\n <\/p>\n <p>\n Common patterns you\u2019ll see on Scofi offer sheets:\n <\/p>\n <ul>\n <li><strong>Anaerobic natural:<\/strong> whole cherries sealed in tanks, then dried as naturals.<\/li>\n <li><strong>Anaerobic honey:<\/strong> depulped coffee with mucilage left on, sealed in tanks, then dried like honey process.<\/li>\n <li><strong>Anaerobic washed:<\/strong> controlled tank fermentation followed by a washed process and clean drying.<\/li>\n <li><strong>Carbonic maceration:<\/strong> whole cherries in tanks saturated with CO\u2082, often borrowed from wine techniques.<\/li>\n <\/ul>\n <p>\n Done well, these methods can produce <strong>intense fruit, florals, spice and sweetness<\/strong> that stand out on any menu. Done poorly\u2014or\n roasted without care\u2014they can highlight <strong>acetic, phenolic and solvent-like notes<\/strong> that guests interpret as \u201cboozy\u201d, \u201cvinegar\u201d\n or \u201cchemical\u201d.\n <\/p>\n <p>\n Your job as a roaster is not to \u201cburn out\u201d the ferment, which isn\u2019t possible, but to <strong>shape it<\/strong>: showcase the structured, ripe\n side of the profile while keeping defects in check.\n <\/p>\n <\/div>\n <div class=\"col-5\">\n <div class=\"card\">\n <h3>Anaerobic & CM vs Classic Processes<\/h3>\n <table class=\"responsive\" aria-label=\"Anaerobic vs classic processes\">\n <thead><tr><th>Feature<\/th><th>Anaerobic \/ CM<\/th><th>Classic<\/th><\/tr><\/thead>\n <tbody>\n <tr>\n <td data-label=\"Feature\">Fermentation<\/td>\n <td data-label=\"Anaerobic \/ CM\">Sealed tanks, low oxygen<\/td>\n <td data-label=\"Classic\">Open tanks \/ patios<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Feature\">Aromatics<\/td>\n <td data-label=\"Anaerobic \/ CM\">Intense fruit, spice, florals<\/td>\n <td data-label=\"Classic\">Origin- and process-driven<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Feature\">Risk<\/td>\n <td data-label=\"Anaerobic \/ CM\">Phenolics, vinegar, solvent-like<\/td>\n <td data-label=\"Classic\">Sour, baked, simple<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Feature\">Roast sensitivity<\/td>\n <td data-label=\"Anaerobic \/ CM\">High\u2014profile exaggerates ferment<\/td>\n <td data-label=\"Classic\">Moderate<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <p class=\"meta\">\n Use these differences to decide where an anaerobic or CM lot from Scofi fits your menu: feature filter, modern espresso or blend component.\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section id=\"roaster-behaviour\" class=\"wrap section-pad\">\n <h2>How Anaerobic & CM Coffees Behave In The Roaster<\/h2>\n <div class=\"grid\">\n <div class=\"col-7\">\n <p>\n Physically, many anaerobic and carbonic coffees look similar to naturals or honeys: dense seeds (especially at altitude),\n sticky surfaces and strong aromatics. In the roaster, they often:\n <\/p>\n <ul>\n <li>Carry <strong>high aromatic load<\/strong> that releases aggressively around first crack.<\/li>\n <li>Show <strong>strong surface reactions<\/strong> (browning and caramelization) if charge is too aggressive.<\/li>\n <li>Respond badly to <strong>extreme profiles<\/strong>\u2014both overly slow and overly fast curves can highlight defects.<\/li>\n <\/ul>\n <p>\n Instead of aiming for maximum intensity, most roasteries succeed by treating these coffees as **high-aromatic naturals**\n that need:\n <\/p>\n <ul>\n <li>Gentle but sufficient charge temperature.<\/li>\n <li>Smooth, declining rate of rise (ROR) with no stalls or spikes.<\/li>\n <li>Strong, clean airflow to carry away smoke and volatile ferment compounds.<\/li>\n <\/ul>\n <p>\n The rest of this guide walks through how to design those profiles, drawing on fundamentals from:\n <\/p>\n <div class=\"pill-links\">\n <a href=\"\/coffee-tips-facts\/how-to-roast-green-coffee-for-roasters\/\">Roasting Fundamentals<\/a>\n <a href=\"\/coffee-tips-facts\/natural-process-taming-fruity-lots\/\">Roasting Natural Process<\/a>\n <a href=\"\/coffee-tips-facts\/honey-process-caramelization-sweetness\/\">Roasting Honey Process<\/a>\n <a href=\"\/coffee-tips-facts\/washed-arabica-clean-cups-bright-acidity\/\">Roasting Washed Arabica<\/a>\n <\/div>\n <\/div>\n <div class=\"col-5\">\n <div class=\"note\">\n <strong class=\"badge\">Roaster Note<\/strong>\n <p style=\"margin:.5rem 0 0\">\n Don\u2019t try to \u201cerase\u201d ferment character. Instead, build profiles that turn wild edges into structured fruit, spice and sweetness.\n If a green lot is truly over-fermented, roasting alone cannot fix it\u2014use Scofi cupping notes as your baseline.\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section id=\"profile-strategy\" class=\"wrap section-pad\">\n <h2>Profile Strategy \u2014 Avoiding Phenolics, Keeping Structure<\/h2>\n <div class=\"grid\">\n <div class=\"col-7\">\n <p>\n Phenolic and vinegar-like notes in anaerobic or CM coffees show up fastest when profiles are <strong>too extreme<\/strong>: very slow,\n low-energy roasts that bake, or very aggressive roasts that scorch and emphasize volatile defects.\n <\/p>\n\n <h3>1. Charge & Drying \u2014 Gentle On, Not Weak<\/h3>\n <p>\n Most roasters find success charging slightly below their hottest naturals, but high enough that the drum doesn\u2019t struggle.\n <\/p>\n <ul>\n <li>Use a <strong>moderate charge temperature<\/strong>\u2014below your most aggressive natural profiles.<\/li>\n <li>Avoid huge gas spikes after turning point; aim for a smooth climb in ROR.<\/li>\n <li>Run <strong>good airflow<\/strong> from the start to control smoke and moisture.<\/li>\n <\/ul>\n <p>\n Drying phase (to yellow) often lands in the <strong>4\u20135 minute<\/strong> range. Too fast and you risk uneven internal moisture;\n too slow and you set up the roast to bake.\n <\/p>\n\n <h3>2. Maillard \u2014 Where You Shape Ferment Expression<\/h3>\n <p>\n For many anaerobic coffees, Maillard is where you decide whether the cup will taste like elegant fruit and spice, or like\n vinegar, rubber and ferment.\n <\/p>\n <ul>\n <li>Give Maillard enough time\u2014often <strong>4.5\u20135.5 minutes<\/strong> for medium-density lots.<\/li>\n <li>Keep ROR gently declining; avoid flat spots that lead to baked, hollow cups.<\/li>\n <li>Maintain airflow high enough to remove excess volatiles without stripping all aromatics.<\/li>\n <\/ul>\n <p>\n If cups taste **sharp, solvent-like or \u201cnail polish\u201d**, profiles may be too aggressive or too short through Maillard.\n If they taste **flat, stewed and heavy**, Maillard and development are likely extended at very low energy.\n <\/p>\n\n <h3>3. Development \u2014 Finish Without \u201cCooking The Tank\u201d<\/h3>\n <p>\n First crack is explosive on many anaerobic and CM coffees\u2014aroma fills the room quickly. It\u2019s tempting to push development hard\n to \u201csmooth it out\u201d, but this often concentrates heavy ferment notes.\n <\/p>\n <ul>\n <li><strong>Filter:<\/strong> ~1:10\u20131:50 after first crack (about 15\u201319% of total time).<\/li>\n <li><strong>Espresso:<\/strong> ~1:30\u20132:20 after first crack (about 18\u201322% of total time).<\/li>\n <\/ul>\n <p>\n Stay on the lighter\u2013medium side for filter and the lower end of medium for espresso. You want <strong>clear structure and sweetness<\/strong>,\n not \u201ccooked ferment\u201d.\n <\/p>\n <\/div>\n <div class=\"col-5\">\n <div class=\"card\">\n <h3>Safe Starting Points (Dense Anaerobic Lot)<\/h3>\n <table class=\"responsive\" aria-label=\"Anaerobic starting profile\">\n <thead><tr><th>Phase<\/th><th>Target<\/th><th>Notes<\/th><\/tr><\/thead>\n <tbody>\n <tr>\n <td data-label=\"Phase\">Drying<\/td>\n <td data-label=\"Target\">4:00\u20134:45<\/td>\n <td data-label=\"Notes\">Smooth ROR rise, strong airflow.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Phase\">Maillard<\/td>\n <td data-label=\"Target\">4:30\u20135:30<\/td>\n <td data-label=\"Notes\">Gently declining ROR; no stalls.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Phase\">Development (filter)<\/td>\n <td data-label=\"Target\">1:15\u20131:40<\/td>\n <td data-label=\"Notes\">15\u201319% dev; lighter color.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Phase\">Development (espresso)<\/td>\n <td data-label=\"Target\">1:30\u20132:10<\/td>\n <td data-label=\"Notes\">18\u201322% dev; lower medium.<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <p class=\"meta\">\n Adjust from these baselines based on Scofi\u2019s green specs (moisture, density) and your roaster\u2019s responsiveness.\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section id=\"filter-espresso\" class=\"wrap section-pad\">\n <h2>Filter vs Espresso \u2014 Choosing The Right Roles<\/h2>\n <div class=\"grid\">\n <div class=\"col-7\">\n <h3>Filter Roast \u2014 Showcase The Story Carefully<\/h3>\n <p>\n Anaerobic and CM coffees are often sold as <strong>feature filters<\/strong>\u2014they taste like nothing else on the menu when profiles are\n dialled in. Aim for:\n <\/p>\n <ul>\n <li>Light\u2013medium roast with 15\u201319% development.<\/li>\n <li>Flavor notes that emphasize <em>ripe fruit, florals, spice, cocoa<\/em> rather than vinegar or alcohol.<\/li>\n <li>Brew ratios of <strong>1:15\u20131:16<\/strong> at <strong>92\u201396 \u00b0C<\/strong>, with close monitoring of extraction to avoid astringency.<\/li>\n <\/ul>\n <p>\n If guests describe the cup as \u201ctoo boozy\u201d or \u201clike wine vinegar\u201d, test profiles with <strong>slightly more Maillard, controlled ROR\n and slightly shorter development<\/strong> to see if structure improves.\n <\/p>\n\n <h3>Espresso Roast \u2014 High-Impact, High-Risk<\/h3>\n <p>\n As espresso, anaerobic and CM coffees deliver <strong>very intense flavor<\/strong>, which can be amazing for adventurous guests but\n overwhelming for others.\n <\/p>\n <ul>\n <li>Roast to lower\u2013medium with 18\u201322% development.<\/li>\n <li>Target a sweet, structured shot with fruit and spice, not just ferment.<\/li>\n <li>Start with ratios of <strong>1:2\u20131:2.2<\/strong>, 28\u201332 seconds, then adjust dose and time for balance.<\/li>\n <\/ul>\n <p>\n Many roasteries launch anaerobic espresso as <strong>limited-time features<\/strong> with clear descriptions, while using more classical\n washed or honey coffees as the mainline milk-based espresso.\n <\/p>\n <\/div>\n <div class=\"col-5\">\n <div class=\"card\">\n <h3>Menu Roles For Anaerobic & CM Coffees<\/h3>\n <table class=\"responsive\" aria-label=\"Menu roles for anaerobic coffees\">\n <thead><tr><th>Role<\/th><th>Roast Direction<\/th><th>Notes<\/th><\/tr><\/thead>\n <tbody>\n <tr>\n <td data-label=\"Role\">Feature filter<\/td>\n <td data-label=\"Roast Direction\">Light\u2013medium<\/td>\n <td data-label=\"Notes\">Tell the process story; ideal for tastings.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Role\">Signature espresso<\/td>\n <td data-label=\"Roast Direction\">Lower medium<\/td>\n <td data-label=\"Notes\">Intense fruit and spice for adventurous guests.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Role\">Blend accent<\/td>\n <td data-label=\"Roast Direction\">Medium<\/td>\n <td data-label=\"Notes\">Use 10\u201330% to add complexity to a classic base.<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <p class=\"meta\">\n Scofi can recommend whether a given anaerobic or CM lot is best as a feature, espresso, or blend component for your market.\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section id=\"defects\" class=\"wrap section-pad\">\n <h2>Common Defects In Anaerobic & CM Roasts<\/h2>\n <div class=\"grid\">\n <div class=\"col-7\">\n <p>\n Not every problem in these coffees is a roast issue\u2014some are intrinsic to the processing. But your profile can either\n **amplify** or **soften** them. These are the patterns Scofi sees most often when roasters ask for help.\n <\/p>\n\n <h3>1. Phenolic \/ Solvent-Like Notes<\/h3>\n <p><strong>Symptoms:<\/strong> nail polish remover, plastic, bandage or chemical-like aromatics.<\/p>\n <p><strong>Possible sources:<\/strong><\/p>\n <ul>\n <li>Strong phenolic compounds from the fermentation itself.<\/li>\n <li>Overly aggressive early heat or very short Maillard, exaggerating sharp edges.<\/li>\n <li>Very dark development trying to \u201ccook out\u201d defects (it doesn\u2019t work).<\/li>\n <\/ul>\n <p><strong>Adjustments:<\/strong> use a more moderate charge, lengthen Maillard slightly with steady ROR, and avoid deep development.\n If phenolics persist across profiles, the green lot itself may be at fault\u2014Scofi cuppings will usually flag this.<\/p>\n\n <h3>2. Excessive Acetic \/ Vinegar Character<\/h3>\n <p><strong>Symptoms:<\/strong> sharp, vinegary acidity that overwhelms fruit; cups can feel thin and spiky.<\/p>\n <p><strong>Possible sources:<\/strong><\/p>\n <ul>\n <li>High acetic load from fermentation and drying.<\/li>\n <li>Profiles that are too fast and light, offering no structure to balance acids.<\/li>\n <li>Very slow, baked roasts that leave acidity but kill sweetness.<\/li>\n <\/ul>\n <p><strong>Adjustments:<\/strong> test curves with slightly longer Maillard, moderate development, and stable ROR. Avoid\n both ultra-fast Nordic-style extremes and very slow, low-energy roasts\u2014aim for a <strong>balanced middle path<\/strong>.<\/p>\n\n <h3>3. Hollow, Baked Cups<\/h3>\n <p><strong>Symptoms:<\/strong> big aromatics in the grinder, but flat, hollow cups with little sweetness and a drying finish.<\/p>\n <p><strong>Possible sources:<\/strong><\/p>\n <ul>\n <li>Stalled or flat ROR in the middle and late phases.<\/li>\n <li>Overly cautious charge leading to long total roast times.<\/li>\n <\/ul>\n <p><strong>Adjustments:<\/strong> increase energy earlier, avoid long plateaus, and shorten total roast by 30\u201360 seconds while keeping\n development percentage reasonable.<\/p>\n\n <p>\n For a broader defect overview across all processes, you can build out or consult\n <a href=\"\/coffee-tips-facts\/roast-defects-101\">Roast Defects 101<\/a> as a companion guide to this page.\n <\/p>\n <\/div>\n <div class=\"col-5\">\n <div class=\"card\">\n <h3>Defect Quick Reference<\/h3>\n <table class=\"responsive\" aria-label=\"Defect quick reference\">\n <thead><tr><th>Defect<\/th><th>Check<\/th><\/tr><\/thead>\n <tbody>\n <tr>\n <td data-label=\"Defect\">Phenolic \/ solvent<\/td>\n <td data-label=\"Check\">\n \u2022 Compare with Scofi cupping notes<br>\n \u2022 Try gentler charge & longer Maillard<br>\n \u2022 Avoid deep roasting to \u201cfix\u201d it\n <\/td>\n <\/tr>\n <tr>\n <td data-label=\"Defect\">Vinegary \/ harsh acid<\/td>\n <td data-label=\"Check\">\n \u2022 Too fast or too slow curve?<br>\n \u2022 Dev% in range?<br>\n \u2022 Extraction yield too high?\n <\/td>\n <\/tr>\n <tr>\n <td data-label=\"Defect\">Hollow & baked<\/td>\n <td data-label=\"Check\">\n \u2022 Flat ROR mid-late?<br>\n \u2022 Total roast time too long?<br>\n \u2022 Undercharged batch?\n <\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <p class=\"meta\">\n Always record charge temp, gas and airflow steps, total time and development% when troubleshooting anaerobic or CM lots.\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section id=\"variants\" class=\"wrap section-pad\">\n <h2>Anaerobic Variants \u2014 Natural, Honey & Washed<\/h2>\n <div class=\"grid\">\n <div class=\"col-7\">\n <p>\n \u201cAnaerobic\u201d and \u201ccarbonic maceration\u201d describe fermentation conditions, not the entire process. You\u2019ll see them combined with\n washed, honey and natural drying styles, and each behaves slightly differently in the roaster.\n <\/p>\n\n <h3>Anaerobic Natural<\/h3>\n <p>\n Whole cherry fermentation in tanks, then dried as natural. Expect:\n <\/p>\n <ul>\n <li>Very intense fruit and aromatics.<\/li>\n <li>Higher risk of phenolic or vinegar notes if processing or storage was marginal.<\/li>\n <li>Profiles closest to <strong>careful natural roasting<\/strong> with extra attention to airflow and development length.<\/li>\n <\/ul>\n\n <h3>Anaerobic Honey<\/h3>\n <p>\n Depulped coffee with mucilage left on, sealed fermentation, then dried as honey. These:\n <\/p>\n <ul>\n <li>Often balance sweetness and fruit with less risk than heavy naturals.<\/li>\n <li>Can scorch if charge is too aggressive (sticky surfaces).<\/li>\n <li>Respond well to profiles between your honey and anaerobic-natural curves.<\/li>\n <\/ul>\n\n <h3>Anaerobic Washed<\/h3>\n <p>\n Fermentation in sealed tanks followed by thorough washing and clean drying. You may see:\n <\/p>\n <ul>\n <li>Cleaner, more \u201cstructured\u201d ferment character.<\/li>\n <li>Roaster behaviour closer to washed coffees with extra aromatics.<\/li>\n <li>Profiles that look like your washed curves with slightly more cautious charge and airflow tuning.<\/li>\n <\/ul>\n\n <p>\n Scofi spec sheets will indicate the <strong>process combination<\/strong> (e.g., \u201canaerobic natural\u201d, \u201cCM honey\u201d). Use that plus moisture\n and density data to choose your starting profile, then refine through cupping and logging.\n <\/p>\n <\/div>\n <div class=\"col-5\">\n <div class=\"note\">\n <strong class=\"badge\">Scofi Support<\/strong>\n <p style=\"margin:.5rem 0 0\">\n When you receive an anaerobic or CM lot from Scofi, share the spec sheet and your roaster model with us. We can tell you\n whether to treat it more like a natural, honey or washed roast, and recommend starting curves for filter and espresso.\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section id=\"working-with-scofi\" class=\"wrap section-pad\">\n <h2>Working With Scofi: Safely Featuring Anaerobic & CM Coffees<\/h2>\n <div class=\"grid\">\n <div class=\"col-7\">\n <p>\n Experimental processes can be a big win for your brand when they are <strong>consistent, well-communicated and technically sound<\/strong>.\n Scofi\u2019s role is to help you choose lots that fit your market and roast them confidently.\n <\/p>\n\n <h3>What Scofi Provides For Anaerobic & CM Lots<\/h3>\n <ul>\n <li><strong>Green specs:<\/strong> processing details, moisture, density, screen, harvest date and storage notes.<\/li>\n <li><strong>Cupping data:<\/strong> flavor descriptors, ideal brew methods and recommended menu roles.<\/li>\n <li><strong>Profile guidance:<\/strong> suggested charge ranges, phase splits and target development percentages.<\/li>\n <li><strong>Feedback loop:<\/strong> we welcome your roast curves and cupping results to refine recommendations.<\/li>\n <\/ul>\n\n <h3>Simple Protocol For New Anaerobic \/ CM Coffees<\/h3>\n <ol>\n <li>Sample roast using a safe, moderate curve based on Scofi guidance.<\/li>\n <li>Cup and decide on primary menu role (feature filter, espresso, blend accent).<\/li>\n <li>Run 2\u20133 test production roasts varying Maillard length and development, keeping charge constant.<\/li>\n <li>Cup blind and select the profile that balances fruit, ferment and sweetness best.<\/li>\n <li>Document gas, airflow and timings so your team can repeat the profile reliably.<\/li>\n <\/ol>\n <p>\n Over time, you\u2019ll build an internal <strong>playbook for anaerobic and CM coffees<\/strong>, letting you say \u201cyes\u201d to high-impact lots from Scofi\n without fearing phenolics or vinegar bombs on bar.\n <\/p>\n <\/div>\n <div class=\"col-5\">\n <div class=\"card\">\n <h3>Anaerobic Onboarding Checklist<\/h3>\n <table class=\"responsive\" aria-label=\"Anaerobic onboarding checklist\">\n <thead><tr><th>Step<\/th><th>Key Action<\/th><\/tr><\/thead>\n <tbody>\n <tr>\n <td data-label=\"Step\">1. Understand<\/td>\n <td data-label=\"Key Action\">Read Scofi specs & cupping sheet.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Step\">2. Test<\/td>\n <td data-label=\"Key Action\">Run a few curves; change one variable at a time.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Step\">3. Choose<\/td>\n <td data-label=\"Key Action\">Cup blind; pick the most balanced profile.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Step\">4. Standardise<\/td>\n <td data-label=\"Key Action\">Create a profile sheet; train staff.<\/td>\n <\/tr>\n <tr>\n <td data-label=\"Step\">5. Review<\/td>\n <td data-label=\"Key Action\">Re-cup mid-season; adjust as coffee ages.<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <p class=\"meta\">\n Share your final profile with Scofi so we can look for future lots that behave similarly in your roaster.\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section id=\"faq\" class=\"wrap section-pad faq\">\n <h2>FAQ \u2014 Roasting Anaerobic & Carbonic Coffees<\/h2>\n\n <details>\n <summary><span class=\"bean\"><\/span>How are anaerobic and carbonic maceration coffees different from naturals?<\/summary>\n <div class=\"content\">\n Anaerobic and carbonic coffees are fermented in sealed tanks with very low oxygen, often under controlled temperature and pressure.\n They can be dried as naturals, honeys or washed coffees, but their fermentation environment is more controlled and usually produces\n <strong>stronger, more distinctive aromatics<\/strong> than typical open-tank naturals.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>Can I roast out phenolic or vinegar defects?<\/summary>\n <div class=\"content\">\n No. Roasting cannot \u201cerase\u201d phenolic or vinegar defects that are intrinsic to the green coffee. However, your profile can either\n <strong>amplify or soften<\/strong> how they appear. Moderate charge, balanced Maillard and sensible development help keep the best parts of the\n coffee while avoiding extremes that highlight defects.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>What development time should I use for anaerobic filter roasts?<\/summary>\n <div class=\"content\">\n A good starting point is <strong>1:10\u20131:50 after first crack<\/strong>, roughly <strong>15\u201319% of total roast time<\/strong>. From there, you can adjust\n development and Maillard length based on cupping: if the coffee tastes sharp and solvent-like, extend Maillard slightly; if it tastes\n heavy and stewed, reduce total time and avoid very slow curves.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>Are anaerobic coffees always best as light roasts?<\/summary>\n <div class=\"content\">\n Not always. Very light roasts can amplify sharp ferment or vinegar notes, especially if the lot has high acetic load. Most roasteries\n find more balance at <strong>light\u2013medium levels for filter<\/strong> and <strong>lower medium for espresso<\/strong>, where sweetness and structure can match the\n aromatic intensity.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>How can I reduce \u201cboozy\u201d or \u201cwiney\u201d notes?<\/summary>\n <div class=\"content\">\n First, verify whether those notes are part of Scofi\u2019s cupping description. If they are, your job is to <strong>frame them with sweetness\n and structure<\/strong>, not remove them. If they feel harsh, test profiles with steadier ROR, slightly longer Maillard and controlled\n development, and make sure your brew extractions aren\u2019t excessively high.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>Should I treat anaerobic washed differently from anaerobic natural?<\/summary>\n <div class=\"content\">\n Yes. Anaerobic washed coffees tend to behave closer to washed coffees in the roaster, with cleaner structure and less risk of heavy\n ferment. You can usually use profiles close to your washed roasts with slightly more cautious charge and airflow tuning, while\n anaerobic naturals often need more careful energy management like high-aromatic naturals.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>Are anaerobic coffees suitable for espresso?<\/summary>\n <div class=\"content\">\n They can be, but they are <strong>high impact and high risk<\/strong>. Many roasters use anaerobic or CM coffees as <strong>signature or limited-time\n espressos<\/strong> with clear menu descriptions, rather than as mainline milk-based espresso. Start with lower medium roast levels and\n conservative brew ratios, then adjust based on guest feedback.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>Can I use anaerobic coffees in blends?<\/summary>\n <div class=\"content\">\n Yes. Using <strong>10\u201330% anaerobic or CM coffee<\/strong> in a blend can add complexity and fruit to a classic washed or honey base. Blends are also\n a good way to introduce these profiles to guests who may find single-origin anaerobic cups too intense on their own.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>How long should I rest anaerobic roasts before serving?<\/summary>\n <div class=\"content\">\n These coffees often benefit from slightly longer rest compared to straightforward washed lots. Many roasteries like <strong>3\u20137 days for\n filter<\/strong> and <strong>7\u201314 days for espresso<\/strong>, but the optimal window depends on roast level, processing style and your flavor targets.\n <\/div>\n <\/details>\n\n <details>\n <summary><span class=\"bean\"><\/span>Can Scofi help design profiles for specific anaerobic lots?<\/summary>\n <div class=\"content\">\n Yes. Scofi can provide <strong>green specs, cupping notes and suggested starting curves<\/strong> for each anaerobic or carbonic lot, then review your\n roast logs and cupping feedback to refine profiles. We aim to be a technical partner for roasters, not just a green coffee supplier.\n <\/div>\n <\/details>\n <\/section>\n\n \n <section class=\"wrap explore section-pad\" id=\"explore\">\n <h2>Keep Building Your Roasting Playbook With Scofi<\/h2>\n <p class=\"meta\">Process-specific guides to help you design consistent profiles for every style of green coffee.<\/p>\n <div class=\"explore-grid\">\n <div class=\"tile\">\n <div class=\"dot\"><\/div>\n <div>\n <a href=\"\/coffee-tips-facts\/how-to-roast-green-coffee-for-roasters\/\">How To Roast Green Coffee<\/a>\n <p>Core fundamentals: temperatures, phase splits and profile design.<\/p>\n <\/div>\n <\/div>\n <div class=\"tile\">\n <div class=\"dot\"><\/div>\n <div>\n <a href=\"\/coffee-tips-facts\/washed-arabica-clean-cups-bright-acidity\/\">Roasting Washed Arabica<\/a>\n <p>Clean cups, bright acidity and structured sweetness.<\/p>\n <\/div>\n <\/div>\n <div class=\"tile\">\n <div class=\"dot\"><\/div>\n <div>\n <a href=\"\/coffee-tips-facts\/natural-process-taming-fruity-lots\/\">Roasting Natural Process<\/a>\n <p>Keep fruit intensity without baked or phenolic cups.<\/p>\n <\/div>\n <\/div>\n <div class=\"tile\">\n <div class=\"dot\"><\/div>\n <div>\n <a href=\"\/coffee-tips-facts\/honey-process-caramelization-sweetness\/\">Roasting Honey Process<\/a>\n <p>Manage caramelization and sweetness without scorch.<\/p>\n <\/div>\n <\/div>\n <div class=\"tile\">\n <div class=\"dot\"><\/div>\n <div>\n <a href=\"\/coffee-tips-facts\/wet-hulled-giling-basah-indonesia-body-vs-clarity\/\">Roasting Wet-Hulled Indonesia<\/a>\n <p>Balancing big body with clarity in giling basah lots.<\/p>\n <\/div>\n <\/div>\n <div class=\"tile\">\n <div class=\"dot\"><\/div>\n <div>\n <a href=\"\/coffee-tips-facts\/decaf-roast-guide-lower-charge-longer-development\/\">Decaf Roast Guide<\/a>\n <p>Lower charge temperatures, longer development without baking.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section class=\"cta-band\" id=\"cta-bottom\">\n <div class=\"cta-inner\">\n <div class=\"cta-box-final\">\n <h2>Plan Your Next Anaerobic \/ Carbonic Roast With Scofi<\/h2>\n <p>\n Share your menu role, flavor targets and roaster setup. We\u2019ll recommend suitable anaerobic or carbonic maceration\n <strong>green coffee beans<\/strong> from Scofi stock, provide starting profiles, and help you avoid phenolic or vinegar-heavy cups.\n <\/p>\n <div class=\"cta-actions\">\n <a class=\"btn primary\" href=\"https:\/\/scofi.com.my\/contact-us\">Talk To Scofi About Anaerobic Coffees<\/a>\n <a class=\"btn contact-white\" href=\"\/coffee-tips-facts\/how-to-roast-green-coffee-for-roasters\/\">Roasting Fundamentals Guide<\/a>\n <a class=\"btn wa\" href=\"https:\/\/wa.me\/60102684133?text=Hi%20Scofi%2C%20I%20need%20help%20dialing%20in%20an%20anaerobic%20%2F%20carbonic%20maceration%20roast%20for%20the%20guide%20Roasting%20Anaerobic%20%2F%20Carbonic%20Maceration%3A%20Avoiding%20Phenolics.\">WhatsApp Scofi<\/a>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <script type=\"application\/ld+json\">\n {\n \"@context\":\"https:\/\/schema.org\",\n \"@type\":\"WebPage\",\n \"name\":\"Roasting Anaerobic \/ Carbonic Maceration: Avoiding Phenolics | Scofi\",\n \"url\":\"https:\/\/scofi.com.my\/coffee-tips-facts\/anaerobic-carbonic-maceration-avoiding-phenolics\/\",\n \"description\":\"Learn how to roast anaerobic and carbonic maceration coffees from Scofi without harsh phenolics or vinegar notes\u2014covering charge temps, airflow and profile design.\",\n \"inLanguage\":\"en\",\n \"image\":\"https:\/\/scofi.com.my\/coffee-tips-facts\/wp-content\/uploads\/2025\/11\/29351.jpg\",\n \"about\":{\"@type\":\"Thing\",\"name\":\"Roasting anaerobic and carbonic maceration coffee\"}\n }\n <\/script>\n\n \n <script type=\"application\/ld+json\">\n {\n \"@context\":\"https:\/\/schema.org\",\n \"@type\":\"FAQPage\",\n \"mainEntity\":[\n {\n \"@type\":\"Question\",\n \"name\":\"How are anaerobic and carbonic maceration coffees different from naturals?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Anaerobic and carbonic coffees are fermented in sealed tanks with very low oxygen, often under controlled temperature and pressure. They can be dried as naturals, honeys or washed coffees, but the fermentation environment is more controlled and usually produces stronger, more distinctive aromatics than typical open-tank naturals.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"Can I roast out phenolic or vinegar defects?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Roasting cannot erase phenolic or vinegar defects that are intrinsic to the green coffee. However, your profile can either amplify or soften how they appear. Moderate charge, balanced Maillard and sensible development help keep the best parts of the coffee while avoiding extremes that highlight defects.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"What development time should I use for anaerobic filter roasts?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A good starting point is 1:10\u20131:50 after first crack, roughly 15\u201319% of total roast time. From there you can adjust development and Maillard length based on cupping: if the coffee tastes sharp and solvent-like, extend Maillard slightly; if it tastes heavy and stewed, reduce total time and avoid very slow curves.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"Are anaerobic coffees always best as light roasts?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not always. Very light roasts can amplify sharp ferment or vinegar notes, especially if the lot has high acetic load. Many roasteries find more balance at light\u2013medium levels for filter and lower medium for espresso, where sweetness and structure can match the aromatic intensity.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"How can I reduce boozy or winey notes?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"First, verify whether those notes are part of the coffee\u2019s intended profile. If they are, your job is to frame them with sweetness and structure, not remove them. If they feel harsh, test profiles with steadier rate of rise, slightly longer Maillard and controlled development, and make sure brew extractions are not excessively high.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"Should I treat anaerobic washed differently from anaerobic natural?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Anaerobic washed coffees tend to behave closer to washed coffees in the roaster, with cleaner structure and less risk of heavy ferment. You can usually use profiles close to your washed roasts with slightly more cautious charge and airflow tuning, while anaerobic naturals often need more careful energy management like high-aromatic naturals.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"Are anaerobic coffees suitable for espresso?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"They can be, but they are high impact and high risk. Many roasters use anaerobic or carbonic coffees as signature or limited-time espressos with clear menu descriptions, while keeping more classic washed or honey coffees as the mainline milk-based espresso.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"Can I use anaerobic coffees in blends?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Using 10\u201330% anaerobic or carbonic coffee in a blend can add complexity and fruit to a classic washed or honey base. Blends are also a good way to introduce these profiles to guests who may find single-origin anaerobic cups too intense on their own.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"How long should I rest anaerobic roasts before serving?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These coffees often benefit from slightly longer rest compared with straightforward washed lots. Many roasteries like 3\u20137 days post-roast for filter and 7\u201314 days for espresso, but the optimal window depends on roast level, processing style and your flavor targets.\"}\n },\n {\n \"@type\":\"Question\",\n \"name\":\"Can Scofi help design profiles for specific anaerobic lots?\",\n \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Scofi can provide green specs, cupping notes and suggested starting curves for each anaerobic or carbonic lot, then review your roast logs and cupping feedback to refine profiles. 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Many show best at light\u2013medium for filter and lower medium for espresso.\"},\n {\"q\":\"How can I reduce boozy or winey notes?\",\"a\":\"Use steady ROR, slightly longer Maillard, moderate development and avoid extreme extraction in brewing.\"},\n {\"q\":\"Should I treat anaerobic washed differently from anaerobic natural?\",\"a\":\"Yes\u2014anaerobic washed behaves closer to washed coffee, while anaerobic naturals behave more like high-aromatic naturals.\"},\n {\"q\":\"Are anaerobic coffees suitable for espresso?\",\"a\":\"They can be, especially as signature or limited-time espressos for adventurous guests.\"},\n {\"q\":\"Can I use anaerobic coffees in blends?\",\"a\":\"Yes. 10\u201330% in a blend can add complexity and fruit to a classic washed or honey base.\"},\n {\"q\":\"How long should anaerobic roasts rest?\",\"a\":\"Typically 3\u20137 days for filter and 7\u201314 days for espresso, depending on roast level and flavor goals.\"},\n {\"q\":\"Can Scofi help design profiles for specific anaerobic lots?\",\"a\":\"Yes\u2014Scofi can share specs and starting curves, then refine them using your logs and cupping feedback.\"}\n ]\n }\n <\/script>\n<\/body>\n<\/html>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Roasting Anaerobic \/ Carbonic Maceration: Avoiding Phenolics | Scofi Home \u203a Coffee Tips & Facts \u203a Roasting Anaerobic \/ Carbonic Scofi \u2022 Roasting Guide Roasting Anaerobic \/ Carbonic Maceration: Avoiding Phenolics Anaerobic and carbonic maceration coffees can be intensely aromatic and complex\u2014but also risky. 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