Tannin for stabilizing the colour of red and rosé wines in the maceration stages
The use of Fermotan T3 at time 3, from the third fermentation day on - considering an average fermentation of 7-10 days - allows preserving the tri-substituted forms: it protects them from oxygen and leads them towards stable polymerization forms, such as those with proanthocyanidins. The synergy between the 2 classes of tannins (ellagic and proanthocyanidinic) exerts a dual and targeted protective action against anthocyanins.
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