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mercaptans
[mer-KAP-tuhns]

The result of HYDROGEN SULFIDE combining with wine components and producing a pungently offensive, sour odor that can smell like garlic, stale sweat, skunk, or rubber. Mercaptan characteristics in a wine are a sign of careless winemaking and signal the wine's deterioration.
Related Links: hydrogen sulfide (H2S)
© Copyright Barron's Educational Services, Inc.
1995 based on THE WINE LOVER'S COMPANION,
by Ron Herbst and Sharon Tyler Herbst.

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