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

Researchers have long been interested in tea because it contains high levels of polyphenols, especially catechins, which are believed to play a key role in its health effects.

From Science Daily

Ryan Liu, co-author of the study, explains that tea is rich in catechins, compounds that may encourage bone formation and help slow bone loss.

From Science Daily

Another compound worth mentioning is called catechins, of which there are several different types.

From Salon

Overall, the strongest evidence for the benefits of tea catechins comes from laboratory and animal studies, with human studies being less conclusive.

From Seattle Times

Theaflavin gives black teas their red color and is produced from the polymerization of catechins through a series of chemical reactions during fermentation.

From Salon