a guide to the coffee taster's flavor wheel - Roast Magazine

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A Well-Rounded Palate | A Guide to the Coffee Taster’s Flavor Wheel (continued)I started researching the origin of this tool over the past yearbecause I will be creating a cross-product sensory training for coffeeand chocolate liquor, one that will use the lessons learned in our worldof specialty coffee and provide more structure than is currently beingused in specialty cocoa. So rather than create a new set of terms, whynot borrow from other food products? As I started to take the time tothink, read and reflect on the Coffee Taster’s Flavor Wheel, I realizedI had opened up a can of worms that merited a discussion with thewider specialty coffee community.The Flavor Wheel:A Historical PerspectiveThe flavor wheel has enjoyed 15 years in existence. It is used by themost seasoned coffee cuppers and newbies to boot, it employs familiarand professional vocabulary that is technical but approachable, and itadorns the walls of coffee professionals around the world. There havebeen thousands of copies sold since the first printing, and the wheel isCoffee taster’s flavor wheelavailable in both English and Spanish. The Coffee Taster’s Flavor Wheelwas created in the late 1990s for the SCAA by Ted Lingle, the formerexecutive director of SCAA and current executive director of the CoffeeQuality Institute.There are two coffee tasting wheels on the poster; the left siderefers to taints and faults, and the right side contains distinct aromaand flavor tasting attributes found in coffee. Time and again, theflavor wheel has been an invaluable resource for coffee professionals;it’s an easy way to provide terms for flavor, create confidence for thetaster and help cuppers jog their memory when a tasting term is quiteliterally on the tip of the tongue.I have spent the last 10 years training cuppers and working tocreate a common vocabulary with our producer partners. Whenexplaining the flavor wheel, I spend the majority of my time lookingat the wheel on the right side of the poster and focusing on the morepositive attributes of coffee. This right hand wheel is divided into twosections: tastes and aromas. The graphics and terms are easy to referto in a silent room full of cuppers, no matter what level of experience. Istill refer to it to see if the power of suggestion may provide me with anadvanced term not found on the colorful poster.Though the flavor wheel is a great tool, I have always had afew questions about the way it was created, such as why specificdescriptors like “tea rose” are used, while taste terms like “umami”are absent. I knew I had to start with Lingle to gain some historicalperspective.Lingle worked with a group of people to refine his thinking andideas around creating a common vocabulary. This was based on hisown work and his creation of multiple glossaries of words that thecoffee industry was in need of; thus, The Coffee Cupper’s Handbook wasborn in 1985. “We needed a more expansive language [for coffee],”he told me, and The Coffee Cupper’s Handbook worked to address thisneed. The first version was introduced to the small group of coffeeprofessionals that had organized the SCAA. As the years passed, theSCAA progressed in its thinking and attracted new members and adeeper understanding of coffee flavor. It was only after a conversationwith a colleague, Jeff Babcock of Seattle’s Zoka Coffee Roaster & Tea,that Lingle decided to transform The Coffee Cupper’s Handbook into theCoffee Taster’s Flavor Wheel poster.photo courtesy of Equal ExchangeWhat coffee professionals may not know is that the flavor wheelwas created as a visual tool to accompany The Coffee Cupper’s Handbook.Through my own work and years of training with producers, cuppersand clients, I had developed what I thought to be a logical way toexplain the flavor wheel. But when I went back and re-read The CoffeeCupper’s Handbook I was struck by the complexity of it. The flavor wheelis an important resource that needs acknowledgement as a profoundpiece of work in specialty coffee. Although the scientific appeal foundin The Coffee Cupper’s Handbook may not be the easiest to understand or themost approachable for many people (regarding the aroma and flavorcontinued on page 4240 roast May | June 2012 41
A Well-Rounded Palate (continued)terms), nonetheless the foundation is solid. It may require morefuture work to make it more accessible to everyone.After learning that the two tools were meant to work together,I was surprised to see that there wasn’t any indication on the CoffeeTaster’s Flavor Wheel that one needed the handbook to interpretthe imagery. It seems like the relationship between these twopieces is recommended as opposed to vitally dependent on oneanother.Faults and Taints WheelThe left side of the poster refers to the negative effects on coffeethrough five groups—harvesting/drying, storage/aging, roasting/caramelization, post-roasting/staling and post-brewing/holding.Basically anything that has gone wrong with a coffee would likelyend up on the faults and taints wheel. As you may have guessed,coffee cannot remain in a constant state of equilibrium througheach of these stages, and when things go awry, the characteristicsare best described through the faults and taints wheel. Essentially,this is the problem side of the Coffee Taster’s Flavor Wheel.According to the Coffee Cupper’s Handbook, “If the change results ina minor flavor defect, usually limited to the aromatic properties ofthe flavor, it is referred to as a flavor taint. Whether a flavor taintis pleasing or displeasing depends on its type and degree, as well asthe cupper’s personal preference. If the chemical change results ina major failing, usually transmitted to the taste properties of theflavor, it is referred to as a flavor fault. Flavor faults are almost alwaysdispleasing, regardless of the cupper’s personal preference.”AromasAroma (otherwise known as fragrance, nose, aftertaste) is thegeneral term used to encompass all stages of smelling coffee on theflavor wheel. The aromas found in coffee are experienced throughthe nasal passage, sending a message to the olfactory bulb in thebrain. The cupper then translates this message into a word like“fruity.” When you look at the aromas on the flavor wheel, youwill find a general category called “enzymatic,” which is linkedto the “fruity” term. From this point, you have the option of twodifferent fruit categories (“citrus” or “berry-like”) and more termsto describe different fruit options. You look at the wheel, dig deepinto your memory for the aroma you are experiencing, and thenwork through the possible term to match your beliefs. This is howthe vast majority of cuppers likely use the flavor wheel.However, the aroma side of the wheel lists three primaryterms: “enzymatic,” “sugar browning” and “dry distillation.” Thisis where I started to create a few conflicting arguments. I wonderedif the flavor wheel was created as a way to evaluate coffee in asample cupping or roasted coffee in a production cupping. Whencupping samples from our producer partners, we use a light roastand evaluate the cup characteristics with the SCAA cupping form.All of the roast colors are the same, however we sometimes finddistinctive aromas like maple syrup or cloves.The Value of Production CuppingThe Coffee Taster’s Flavor Wheeland The Coffee Cupper’s Handbook canprovide insight into the way youproduce coffee for your customers.One of the most effective tools is avery basic and old-school methodof analyzing coffee roasts througha process known as productioncupping. At Equal Exchange, each daysamples from each batch of roastedcoffee are brought to the lab andcupped the following morning. Eachsample lists the name of the coffee,degree of roast, colorette numberBeth Ann Caspersen at aproduction cupping.(color spectrometer) and the numberphoto courtesy of Equal Exchangeof the roast for that day. Coffees areorganized by origin and in order of roast degree. Companies do this toanalyze the consistency from roast to roast of the same origin coffee (orblend) and to verify/confirm the characteristics they want to see come outof a particular coffee. Investing in this system requires time, energy andfollow-through, but the results can be tremendous.After each cupping is finished, the cuppers (both roasters and qualitycontrolfolks) evaluate each of the coffees, talk about what they liked,what needs to change and how to make informed changes. Feedbackand production cupping notes may then be sent to the purchasing,quality-control and roasting teams each day with flavor descriptions andrecommendations.Production cupping every roast creates a solid feedback loop thatincludes everyone in the process and builds excitement and sharedresponsibility. It’s also a great way to encourage various levels ofexperimentation. If you are not production cupping in your roastery,consider it. It’s a solid investment in the quality of your coffee.—Beth Ann CaspersenThe ColorsI always thought that the colors of the wheel were attractive andseemed to express the terms they surrounded—light yellow forlemon, dark brown for chocolate—but what I learned from Linglewas that the amount of time and energy put into the color schemewas not a whimsical arrangement related to terms, but that eachterm was very purposefully put in place to represent the weight ofthe molecules that they were meant to represent. For example, theenzymatic category and the terms associated with it actually containa lighter molecular weight than those found in the dark purplecolors seen in the dry distillation category.In addition to the significant importance of molecular weight,the aroma categories also have specific definitions that refer tothe way the coffee was grown, the development of sugars in theroasting process, and bean fiber. Terms like “coffee blossom” in theenzymatic category refer to the development, maturity and terroircontinued on page 4442 roast May | June 2012 43
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