astringent; astringency
A harsh, dry, mouth-puckering effect created by excess tannins. High acidity can produce a similar reaction. astringent wines may mellow as they mature.
The New Wine Lovers Companion, 2nd Edition, by Ron Herbst and Sharon Tyler Herbst. Copyright © (1) 2003, 1995 by Ron Herbst and Sharon Tyler Herbst. Reprinted by arrangement with Barron's Educational Series, Inc.