As an aroma
Aroma refers to sensations perceived by the olfactory bulb and conveyed to the brain; whether through the nose or "retro-nasally": The aromatics of a coffee greatly influence its flavor profile and come from the perception More or flavor in coffee, ferment is a defectIn coffee, a defect refers to specific preparation problems with the green coffee, or a flavor problem found in the cupping process. Bad seeds in the green coffee sample are termed defects, and scored against More taste, resulting from bad processingThe removal of the cherry and parchment from the coffee seed.: Coffee is either wet-processed (also called washed or wet-milled) or dry-processed (also called wild, natural or natural dry, and we abbreviate it DP sometimes). More or other factors. Ferment is the sourSour is one of four basic sapid (in the mouth) tastes: Sour, Sweet, Salty, Bitter (and possibly a 5th called Umami which indicates savory flavors). In coffee, sourness in moderate amounts of favorable, although the More, often vinegar-like, that results from several possible problems. It might be the result of seriously over-ripe coffee cherryOriginally coffee literature referred to the fruit of the tree as a "berry" but in time it became a cherry. It is of course neither. Nor is the seed of the coffee a bean. All More. It can come from coffee cherry
Either a flavor in the coffee, or referring to the fruit of the coffee tree, which somewhat resembles a red cherry.: Either a flavor in the coffee, or referring to the fruit of the coffee More that was not pulped the same day it was picked, and/or was exposed to high heat between picking and processing. Often it comes from poor practices at the wet millThe wet mill is a processing center where coffee cherry from the tree is brought for initial processing.: The wet mill goes by many names (Beneficio, Factory, Washing Station, Receiving Station) and can serve several More, when coffee is left too long in the fermentationA key part of the wet process of coffee fruit is overnight fermentation, to break down the fruit (mucilage) layer that tenaciously clings to the coffee seed, so it can be washed off. Fermentation must More tank, or old coffee that is over-fermented is mixed with new coffee. Ferment has attributes of vinegarA defective flavor taint in coffee, resulting perhaps from poor processing, fermentation, sanitation.: Vinegar-like qualities are a defective flavor taint in coffee, resulting perhaps from poor processing, fermentation, sanitation. Usually, this comes from high levels More (acetic acid
Acetic acid can lead to vinegar-like flavors in over-mature coffees, or bitterness in high quantities. But in moderate amounts it adds a positive winey note to the cup. Acetic acid classifies as an organic acid, More).
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