A group of essential oils that have an earthy odour and taste of paprika, grass or gooseberries and are found in many plants. They also contribute to the earthy flavour of raw coffee. Derivatives are, for example, the two substances IBMP (2-isobutyl-3-methoxypyrazine) and IPMP (2-isopropyl-3-methoxypyrazine). IBMP is one of the most...
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