Group of volatile components of essential oils from the chemical class of pyrazines. They are found in many plants, such as peppers, green beans, peas, gooseberries, asparagus and green pepper, and are characterised by very intense aromas, often described as vegetable or earthy.
In grapes, these compounds are mainly found in the berry skins and leaves of certain varieties such as...
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Egon Mark
Diplom-Sommelier, Weinakademiker und Weinberater, Volders (Österreich)