catechin

American  

[kat-i-chin, -kin] / ˈkæt ɪ tʃɪn, -kɪn /

noun

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

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catechin British  

/ ˈkætəkɪn /

noun

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

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Etymology

Origin of catechin

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

Example Sentences

Jim White, a Virginia Beach, Va., dietitian and spokesman for the Academy of Nutrition and Dietetics, a professional organization, says the catechin concentration in matcha makes it potentially healthy.

From The Wall Street Journal • Dec. 14, 2015

It has been unclear exactly why this happens, but researchers had focused on the effects of anti-oxidant flavanols, such as catechin and epicatechin.

From Seattle Times • Mar. 19, 2014

But he and his colleagues suspect it may be the catechin content.

From Reuters • Jun. 18, 2012

Chemically it consists of a mixture of a peculiar variety of tannin termed catechu-tannic acid with catechin or catechuic acid, and a brown substance due to the alteration of both these principles.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" by Various

Catechu tannin and catechin are compounds of the catechol tannin type.

From The Chemistry of Plant Life by Thatcher, Roscoe Wilfred