Red wines - Ageing. TAN’COR® combines the properties of ellagic and proanthocyanidic tannins specifically prepared for the treatment of red wines after fermentation or during maturation.TAN’COR®is recommended for -Enhancing and modifying the structure of the wine and preparing it for maturation. -Protecting the wine against oxidation phenomena. -Regulation of the oxidation-reduction phenomena. -Red wines presenting a tannin imbalance and/or weak structure. -Improve clarification.