单宁的 得自鞣革的英释中释
Gargle and clean your teeth after eating persimmon lest the tannic acid, pectin and sugar damage your teeth..吃完柿子记得刷牙漱口,以免柿子中的单宁酸、果胶和糖分,侵蚀牙齿。
tannic acid,[化]鞣酸;丹宁酸