The extraction of tannins using different winemaking techniques (part 1)
2019-10-28T12:59:59Z (GMT) by
Tannins consist of a set of monomers named catechins, epicatechins, epigallocatechins and epicatechin-gallate. These monomers occur in different polymeric lengths in the skin and
seed of the grape berry. There is also a difference in the composition of monomers between skin tannins and seed tannins. Only seed tannins contain epicatechingallate.