catechin

/kat-i-chin, -kin/US // ˈkæt ɪ tʃɪn, -kɪn //UK // (ˈkætəkɪn) //

儿茶素,儿茶精,儿茶酚,茶碱

Definitions

n.名词 noun

1
- : a water-soluble, astringent yellow compound, C15H14O6, found in gambier, used chiefly in tanning and dyeing.

Apples contain an anti-inflammatory flavonoid called quercetin, while red wine contains the flavonoid catechin.
Catechu tannin and catechin are compounds of the catechol tannin type.
It contains 60 % of tanning matter and a large proportion of catechin similar to that contained in gambier, but much redder.
It contains much catechin, but little phlobaphene, and yields a beautifully soft leather, but without weight.
It contains a crystallisable principle (margosine) and an astringent principle (catechin).
It contains two coloring principles, catechin and catechu-tannic acid.