catechin

[ kat-i-chin, -kin ]

Phonetic (Standard)IPA

noun

a water-soluble, astringent yellow compound, C 15 H 14 O 6 , found in gambier, used chiefly in tanning and dyeing.

catechin

/ ˈkætəkɪn /

a soluble yellow solid substance found in catechu and mahogany wood and used in tanning and dyeing. Formula: C 15 H 14 O 6

First recorded in 1850–55; catech(u) + -in ²

C19: from catechu + -in

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.

April 19, 2024tortuous

[tawr-choo-uhs ]

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