Common Road Wine
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Common Road Wine

Why Some Wines Smell Like Green Bell Peppers

Wine Aroma Series: Pyrazines

What are pyrazines?

Pyrazines are a nitrogen-containing compound. They are a type of varietal aroma, meaning they originate in the grape berries in the vineyard.

A green bell pepper dressed up as a queen to show that this aroma is the “Pyrazine Queen.”
Drawing by Anna Sprenger

The most distinctive pyrazine smell is green bell pepper. The compound responsible for this smell is IBMP, which is…




Common Road Wine breaks down complicated wine science topics for an audience of wine enthusiasts, amateurs, and professionals.

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Charlotte Adams

Charlotte Adams

Wine science master’s student at ISVV, Bordeaux. Editor of Common Road Wine. I like cool-climate wines & outdoor hockey rinks.

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