Phenols

A compound in coffee that at high levels contributes to negative flavors, but can have positive aspects as well: Phenols are a set of organic compounds, relatively stable, that contribute to coffee aroma and flavor. They can have negative characteristics: tarry, smokey, medicinal, woody, leathery. But, especially at lower levels, can be spicy, vanilla, clove, anise, even floral in nature. Phenols are mainly derived from Chlorogenic acids.

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