Coffee cupping
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Coffee cupping, or coffee tasting, is the practice of observing the tastes and aromas of brewed
coffee Coffee is a drink prepared from roasted coffee beans. Darkly colored, bitter, and slightly acidic, coffee has a stimulating effect on humans, primarily due to its caffeine content. It is the most popular hot drink in the world. Seeds of ...
. It is a professional practice but can be done informally by anyone or by professionals known as "Q Graders". A standard coffee cupping procedure involves deeply sniffing the coffee, then slurping the coffee from a spoon so it is aerated and spread across the tongue. The coffee taster attempts to measure aspects of the coffee's taste, specifically the ''body'' (the texture or
mouthfeel Mouthfeel refers to the physical sensations in the mouth caused by food or drink, making it distinct from taste. It is a fundamental sensory attribute which, along with taste and smell, determines the overall flavor of a food item. Mouthfeel ...
, such as
oil An oil is any nonpolar chemical substance that is composed primarily of hydrocarbons and is hydrophobic (does not mix with water) & lipophilic (mixes with other oils). Oils are usually flammable and surface active. Most oils are unsaturated ...
iness), ''
sweet Sweetness is a basic taste most commonly perceived when eating foods rich in sugars. Sweet tastes are generally regarded as pleasurable. In addition to sugars like sucrose, many other chemical compounds are sweet, including aldehydes, ketone ...
ness'', '' acidity'' (a sharp and tangy feeling, like when biting into an
orange Orange most often refers to: *Orange (fruit), the fruit of the tree species '' Citrus'' × ''sinensis'' ** Orange blossom, its fragrant flower *Orange (colour), from the color of an orange, occurs between red and yellow in the visible spectrum * ...
), ''flavour'' (the characters in the cup), and aftertaste. Since
coffee bean A coffee bean is a seed of the '' Coffea'' plant and the source for coffee. It is the pip inside the red or purple fruit often referred to as a coffee cherry. Just like ordinary cherries, the coffee fruit is also a so-called stone fruit. Even th ...
s embody telltale flavours from the region where they were grown, cuppers may attempt to identify the coffee's origin.


Aromas

Various descriptions are used to note coffee aroma. *Animal-like – This odour descriptor is somewhat reminiscent of the smell of animals. It is not a fragrant aroma like
musk Musk ( Persian: مشک, ''Mushk'') is a class of aromatic substances commonly used as base notes in perfumery. They include glandular secretions from animals such as the musk deer, numerous plants emitting similar fragrances, and artificial sub ...
but has the characteristic odour of wet
fur Fur is a thick growth of hair that covers the skin of mammals. It consists of a combination of oily guard hair on top and thick underfur beneath. The guard hair keeps moisture from reaching the skin; the underfur acts as an insulating blanket t ...
,
sweat Perspiration, also known as sweating, is the production of fluids secreted by the sweat glands in the skin of mammals. Two types of sweat glands can be found in humans: eccrine glands and apocrine glands. The eccrine sweat glands are distrib ...
,
leather Leather is a strong, flexible and durable material obtained from the tanning, or chemical treatment, of animal skins and hides to prevent decay. The most common leathers come from cattle, sheep, goats, equine animals, buffalo, pigs and hog ...
, hides or
urine Urine is a liquid by-product of metabolism in humans and in many other animals. Urine flows from the kidneys through the ureters to the urinary bladder. Urination results in urine being excreted from the body through the urethra. Cellular ...
. It is not necessarily considered as a negative attribute but is generally used to describe strong notes. These flavors can be present in poor-quality dry process coffees. *Ashy – This odour descriptor is similar to that of an
ashtray An ashtray is a receptacle for ash from cigarettes and cigars. Ashtrays are typically made of fire-retardant material such as glass, heat-resistant plastic, pottery, metal, or stone. It differs from a cigarette receptacle, which is used speci ...
, the odour of smokers' fingers or the smell one gets when cleaning out a
fireplace A fireplace or hearth is a structure made of brick, stone or metal designed to contain a fire. Fireplaces are used for the relaxing ambiance they create and for heating a room. Modern fireplaces vary in heat efficiency, depending on the design ...
. It is not used as a negative attribute. Generally speaking this descriptor is used by the tasters to indicate the degree of
roast Roasting is a cooking method that uses dry heat where hot air covers the food, cooking it evenly on all sides with temperatures of at least from an open flame, oven, or other heat source. Roasting can enhance the flavor through caramelizatio ...
. *Burnt/Smoky – This odour and flavour descriptor is similar to that found in burnt food. The odour is associated with smoke produced when burning wood. This descriptor is frequently used to indicate the degree of roast commonly found by tasters in dark-roasted or oven-roasted coffees. *Chemical/Medicinal – This odour descriptor is reminiscent of chemicals, medicines and the smell of hospitals. This term is used to describe coffees having aromas such as rio flavour, chemical residues or highly aromatic coffees which produce large amounts of
volatiles Volatiles are the group of chemical elements and chemical compounds that can be readily vaporized. In contrast with volatiles, elements and compounds that are not readily vaporized are known as refractory substances. On planet Earth, the term ...
. *Chocolate-like – This aroma descriptor is reminiscent of the aroma and flavour of cocoa powder and
chocolate Chocolate is a food made from roasted and ground cacao seed kernels that is available as a liquid, solid, or paste, either on its own or as a flavoring agent in other foods. Cacao has been consumed in some form since at least the Olmec civ ...
(including dark chocolate and milk chocolate). It is an aroma that is sometimes referred to as sweet. *Caramel – This aroma descriptor is reminiscent of the odour and flavour produced when caramelizing sugar without burning it. Tasters should be cautioned not to use this attribute to describe a burning note. *Cereal/Malty/Toast-like – This descriptor includes aromas characteristic of cereal, malt, and toast. It includes scents such as the aroma and flavour of uncooked or roasted grain (including roasted corn, barley or wheat), malt extract and the aroma and flavour of freshly baked bread and freshly made toast. This descriptor has a common denominator, a grain-type aroma. The aromas in this descriptor were grouped together since tasters used these terms interchangeably when evaluating standards of each one. *Earthy – The characteristic odour of fresh, wet
soil Soil, also commonly referred to as earth or dirt Dirt is an unclean matter, especially when in contact with a person's clothes, skin, or possessions. In such cases, they are said to become dirty. Common types of dirt include: * Debri ...
or humus. Sometimes associated with moulds and reminiscent of raw
potato The potato is a starchy food, a tuber of the plant ''Solanum tuberosum'' and is a root vegetable native to the Americas. The plant is a perennial in the nightshade family Solanaceae. Wild potato species can be found from the southern Unit ...
flavour, a common flavournote in coffees from Asia. *Floral – This aroma descriptor is similar to the fragrance of
flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechani ...
s. It is associated with the slight scent of different types of flowers including
honeysuckle Honeysuckles are arching shrubs or twining vines in the genus ''Lonicera'' () of the family Caprifoliaceae, native to northern latitudes in North America and Eurasia. Approximately 180 species of honeysuckle have been identified in both conti ...
, jasmine,
dandelion ''Taraxacum'' () is a large genus of flowering plants in the family Asteraceae, which consists of species commonly known as dandelions. The scientific and hobby study of the genus is known as taraxacology. The genus is native to Eurasia and Nor ...
and nettles. It is mainly found when an intense fruity or green aroma is perceived but rarely found having a high intensity by itself. *Fruity/Citrussy – This aroma is reminiscent of the odour and taste of
fruit In botany, a fruit is the seed-bearing structure in flowering plants that is formed from the ovary after flowering. Fruits are the means by which flowering plants (also known as angiosperms) disseminate their seeds. Edible fruits in particu ...
. The natural aroma of
berries A berry is a small, pulpy, and often edible fruit. Typically, berries are juicy, rounded, brightly colored, sweet, sour or tart, and do not have a stone or pit, although many pips or seeds may be present. Common examples are strawberries, rasp ...
is highly associated with this attribute. The perception of high acidity in some coffees is correlated with the
citrus ''Citrus'' is a genus of flowering trees and shrubs in the rue family, Rutaceae. Plants in the genus produce citrus fruits, including important crops such as oranges, lemons, grapefruits, pomelos, and limes. The genus ''Citrus'' is native to ...
characteristic. Tasters should be cautioned not to use this attribute to describe the aroma of unripe or overripe fruit. *Grassy/Green/Herbal – This aroma descriptor includes three terms which are associated with odours reminiscent of a freshly mown
lawn A lawn is an area of soil-covered land planted with grasses and other durable plants such as clover which are maintained at a short height with a lawnmower (or sometimes grazing animals) and used for aesthetic and recreational purposes. ...
, fresh green grass or herbs, green foliage, green beans or unripe fruit. *Nutty – This aroma is reminiscent of the odour and flavour of fresh nuts (distinct from rancid nuts) and not of
bitter almonds The almond (''Prunus amygdalus'', syn. ''Prunus dulcis'') is a species of tree native to Iran and surrounding countries, including the Levant. The almond is also the name of the edible and widely cultivated seed of this tree. Within the genus ...
. *Rancid/Rotten – This aroma descriptor includes two terms which are associated with odours reminiscent of
rancidification Rancidification is the process of complete or incomplete autoxidation or hydrolysis of fats and oils when exposed to air, light, moisture, or bacterial action, producing short-chain aldehydes, ketones and free fatty acids. When these processes o ...
and
oxidation Redox (reduction–oxidation, , ) is a type of chemical reaction in which the oxidation states of substrate change. Oxidation is the loss of electrons or an increase in the oxidation state, while reduction is the gain of electrons or a ...
of several products. Rancid as the main indicator of fat oxidation mainly refers to rancid nuts and rotten is used as an indicator of deteriorated vegetables or non-oily products. Tasters should be cautioned not to apply these descriptors to coffees that have strong notes but no signs of deterioration. *Rubber-like – This odour descriptor is characteristic of the smell of hot
tyres A tire (American English) or tyre (British English) is a ring-shaped component that surrounds a wheel's rim to transfer a vehicle's load from the axle through the wheel to the ground and to provide traction on the surface over which t ...
,
rubber band A rubber band (also known as an elastic band, gum band or lacky band) is a loop of rubber, usually ring or oval shaped, and commonly used to hold multiple objects together. The rubber band was patented in England on March 17, 1845 by Stephen P ...
s and rubber stoppers. It is not considered a negative attribute but has a characteristic strong note highly recognisable in some coffees. *Spicy – This aroma descriptor is typical of the odour of sweet spices such as cloves, cinnamon and allspice. Tasters are cautioned not to use this term to describe the aroma of savoury spices such as
pepper Pepper or peppers may refer to: Food and spice * Piperaceae or the pepper family, a large family of flowering plant ** Black pepper * ''Capsicum'' or pepper, a genus of flowering plants in the nightshade family Solanaceae ** Bell pepper ** Chili ...
, oregano and
Indian spices Indian spices include a variety of spices grown across the Indian subcontinent (a sub-region of South Asia). With different climates in different parts of the country, India produces a variety of spices, many of which are native to the subconti ...
. *Tobacco – This aroma descriptor is reminiscent of the odour and taste of
tobacco Tobacco is the common name of several plants in the genus '' Nicotiana'' of the family Solanaceae, and the general term for any product prepared from the cured leaves of these plants. More than 70 species of tobacco are known, but the ...
but should not be used for burnt tobacco. *Winey – This terms is used to describe the combined sensation of smell, taste and mouthfeel experiences when drinking
wine Wine is an alcoholic drink typically made from fermented grapes. Yeast consumes the sugar in the grapes and converts it to ethanol and carbon dioxide, releasing heat in the process. Different varieties of grapes and strains of yeasts are m ...
. It is generally perceived when a strong acidic or fruity note is found. Tasters should be cautioned not to apply this term to a sour or
fermented Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. In biochemistry, it is narrowly defined as the extraction of energy from carbohydrates in the absence of oxygen. In food p ...
flavour. *Woody – This aroma descriptor is reminiscent of the smell of dry
wood Wood is a porous and fibrous structural tissue found in the stems and roots of trees and other woody plants. It is an organic materiala natural composite of cellulose fibers that are strong in tension and embedded in a matrix of lignin ...
, an oak barrel, dead wood or
cardboard Cardboard is a generic term for heavy paper-based products. The construction can range from a thick paper known as paperboard to corrugated fiberboard which is made of multiple plies of material. Natural cardboards can range from grey to light ...
paper.


Taste

*Acidity – A basic taste characterised by the solution of an organic acid. A desirable sharp and pleasing taste particularly strong with certain origins as opposed to an over-fermented sour taste. *Bitterness – A primary taste characterised by the solution of
caffeine Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class. It is mainly used recreationally as a cognitive enhancer, increasing alertness and attentional performance. Caffeine acts by blocking binding of adenosine to ...
,
quinine Quinine is a medication used to treat malaria and babesiosis. This includes the treatment of malaria due to '' Plasmodium falciparum'' that is resistant to chloroquine when artesunate is not available. While sometimes used for nocturnal le ...
and certain other
alkaloid Alkaloids are a class of basic, naturally occurring organic compounds that contain at least one nitrogen atom. This group also includes some related compounds with neutral and even weakly acidic properties. Some synthetic compounds of similar ...
s. This taste is considered desirable up to a certain level and is affected by the degree of roast brewing procedures. *Sweetness – This is a basic taste descriptor characterised by solutions of sucrose or fructose which are commonly associated with sweet aroma descriptors such as fruity, chocolate and caramel. It is generally used for describing coffees which are free from off-flavours. *Saltiness – A primary taste characterised by a solution of sodium chloride or other salts. *Sourness – This basic taste descriptor refers to an excessively sharp, biting and unpleasant flavour (such as
vinegar Vinegar is an aqueous solution of acetic acid and trace compounds that may include flavorings. Vinegar typically contains 5–8% acetic acid by volume. Usually, the acetic acid is produced by a double fermentation, converting simple sugars to eth ...
or acetic acid). It is sometimes associated with the aroma of fermented coffee. Tasters should be cautious not to confuse this term with acidity which is generally considered a pleasant and desirable taste in coffee.


Mouthfeel

*Body – the physical properties of the beverage. A strong but pleasant full mouthfeel characteristic as opposed to being thin. Body can be compared to drinking milk. A heavy body is comparable to whole milk while a light body can be comparable to skim milk. * Astringency – an after-taste sensation consistent with a dry feeling in the mouth, a trait some find undesirable in coffee.


History

Cupping is a traditional practice; in the United States, cupping became a standard industry practice in the late 19th century (in what is retrospectively called the First Wave of American coffee), due to its use by Hills Brothers Coffee of
San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17th ...
.Behind the Curtain
, Charlie Habegger, October 9, 2009, Intelligentsia Coffee


Traditional equipment

*
Spittoon A spittoon (or spitoon) is a receptacle made for spitting into, especially by users of chewing and dipping tobacco. It is also known as a cuspidor (which is the Portuguese word for "spitter" or "spittoon", from the verb "cuspir" meaning "to s ...
– Traditionally a spittoon is used for the taster to expel the sipped cup that is being tasted. The spittoon is typically large and held between the legs of the taster to facilitate spitting. *Spoon – Traditionally a large spoon, such as a soup spoon, is used by the taster. Spoons for cuppings are usually characterized with short handles and deep basins. Each taster typically has an individual spoon for hygiene and for facilitating the tasting experience. *Table – Tables for coffee tasting are traditionally circular, and swivel so that the coffee taster can taste one cup after another in a series of coffees being tasted. Traditionally tasters take turns with the senior coffee taster tasting first followed successively by junior members. *Stool – Traditionally there is a short stool upon which the coffee taster sits with the spittoon between the tasters legs. The stool is intended to raise the taster to the correct level with respect to the spittoon and the coffee tasting table to facilitate tasting. *Cup – The cups used for coffee tasting are traditionally 8 oz. glass, such as a whiskey glass, so that the coffee taster can see the color of the brew, and inspect the foam on top of the cup and the sediments formed at the bottom of the cup. *Coffee sample trays – Traditionally coffee sample trays are set out on the coffee tasting table behind the cup being tasted. There will be a tray for the green coffee, a tray for the whole roasted coffee beans, and one for the fresh ground coffee; so that the coffee taster can inspect the color, and aroma of all three states that the coffee comes in. The coffee taster will run a finger through the coffee in the tray, then run their nose through the coffee in the tray. *Coffee tag – Each coffee sample tray will have a tag with the lot number, region, type of coffee bean and year grown listed on it, so that the taster can inspect the history of the coffee being tasted. *Hot water kettle and heating stand – Traditionally there is one or more large brass kettles in a heating stand nearby the coffee tasting table keeping water at the ideal temperature for coffee tasting, which is typically just below boiling temperature. *Roaster – Traditionally there is a gas fired batch roaster nearby the coffee tasting table for roasting small batches of coffee for tasting. Typically the coffee would be roasted and ground immediately prior to tasting. *Grinder – Traditionally there is a small coffee grinder nearby the coffee tasting table as part of the coffee tasting equipment for grinding the coffee just after roasting, and just prior to tasting.


See also

* Sunalini Menon, Asia's first lady coffee cupper


References


External links


A Well-Rounded Palate: A Guide to the Coffee Taster's Flavor Wheel

SCAA Coffee Cuppers' Form & Handbook excerpts

Coffee Cupping Guide For Beginners

Cupping Fundamentals from CoffeeChemistry
{{Product testing Coffee culture Product testing Gustation