Word Study
catechin
CIDE DICTIONARY
catechin, n.
One of the tannic acids (C15H14O6 ), extracted from catechu as a white, crystalline substance; -- called also catechuic acid , catechinic acid , cyanidol , and catechuin . It is a flavonoid found generally in higher woody plants, and is used in dyeing and tanning. [1913 Webster]
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