Tannin is universally found in the skins of grapes.
Red wines gain benefit from tannin as it boosts the taste of the wine.
The tannins in red wine is the ingredient that gives the effect of dryness in the mouth.
Wine Tannin is helpful to wine which is stored for a long time (50 gram tub).
Wine tannin is more dominant in younger red wines
Tanning in wine reduces as the wine matures which produces a low tannin red wine.