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Anthocyanins

Colored pigments present in the skin of red grapes. They are formed through photosynthesis. The winegrower must manage his vines to encourage the development of anthocyanins: large foliar surface, protection of the foliage and the bunches from diseases, leaf thinning of the fruit bearing zone to encourage the lightening of the bunches…
Anthocyanins have antioxidant properties that explain certain medical virtues of a moderate and regular consumption of wine.