acetic acid
[ a-SEE-tihk ]
Acetic acid is formed when common airborne bacteria interact with the alcohol present in fermented solutions such as
WINE,
BEER or
CIDER. Acetic acid is the constituent that makes vinegar sour.
© Copyright Barron's Educational Services, Inc. 1995 based on THE FOOD LOVER'S
COMPANION, 2nd edition, by Sharon Tyler Herbst.