A group of essential oils that express themselves through an earthy smell and taste of paprika, grass or gooseberries. They are found in many plants and also contribute to the herbal aroma of raw coffee. There are various derivatives of them, such as the two substances IBMP (2-isobutyl-3-methoxypyrazine) and IPMP (2-isopropyl-3-methoxypyrazine). IBMP is one of the most odour-intensive...
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