tannin

• 一种存在于植物中的复杂酚类化合物，用于鞣制皮革，也具有药用价值。

A complex phenolic compound found in plants, used in the process of tanning leather and also having medicinal applications.

1. Plant compoundC1formalscientific

   Any of various complex phenolic substances of plant origin, used in tanning leather and in medicine.

   单宁

   • Tannin is found in the bark of oak trees and is used to tan animal hides.
   • The astringent taste of red wine comes from the tannins in the grape skins.
   • Some herbal teas contain tannin, which can have a drying effect on the mouth.

   同义词tannic acid

2. Flavor componentB2informalculinary

   A natural compound in foods and drinks that creates a bitter, astringent taste.

   风味成分

   • The high tannin content in this tea gives it a slightly bitter finish.
   • Wine lovers often describe the tannins as smooth or harsh.
   • Dark chocolate contains tannins that contribute to its rich flavor.