Astringency is the drying, puckering sensation caused by tannins binding to proteins in the mouth. While tannin refers to the chemical compound, astringency describes the sensation it produces. Young, tannic wines often feel highly astringent—the drying sensation dominates over fruit flavour. As wines age, tannins soften and polymerise, reducing astringency and increasing silkiness. In balance, moderate astringency adds structure and makes wine food-friendly; excessive astringency tastes harsh and unpleasant. Ripeness of tannins affects astringency: ripe tannins feel softer, green tannins feel raw and harsh.
WHY IT MATTERS FOR COLLECTORS
High astringency in young wines often indicates good ageing potential if tannins are ripe. Excessive harshness may indicate unripe grapes or poor winemaking. Understanding tannin ripeness helps predict how a wine will evolve.
Tasting cues
- Drying, puckering mouthfeel from tannins and some phenolics — related to, but not identical with, bitterness.
- Food (protein, fat, salt) reduces perceived astringency.
- Age and gentle aeration can polish astringent youth.
Examples
- Young Nebbiolo and unripe Cabernet can feel highly astringent.
- Oversteeped tea is a non-wine reference for the same sensation.
Cellar actions
- If a young red is harshly astringent, cellar or decant rather than forcing it at dinner.
- Match astringent wines with grilled meats and hard cheeses.
Related terms
Put your wine knowledge to work
Know what to open tonight — and never miss a wine at its peak.
Build a cellar, track windows, and pair from what you actually own.
Free Taster: up to 100 bottles · 20 AI scans · 10 pairings / month
Free forever · No credit card