This is a group of astringent, organic compounds derived from grape skins, stems and pips that dissolve into wine during fermentation and imbue it with depth, character and increased longevity.

• 这种有机物来自葡萄皮、梗和籽实，在发酵过程中溶解，它使葡萄酒有内涵、特征和寿命。