a yellow, crystalline, slightly water-soluble powder, C15H10O7, obtained from the bark of the quercitron and other vegetable substances, used as a yellow dye; flavin.
- Also called meletin.
- quer·cet·ic [kwer-set-ik, -see-tik], /kwərˈsɛt ɪk, -ˈsi tɪk/, adjective
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How to use quercetin in a sentence
Apples contain an anti-inflammatory flavonoid called quercetin, while red wine contains the flavonoid catechin.
A very minute proportion of quercetin, a principle yielded by quercitron bark, has been obtained from catechu.
It contains two coloring principles, quercetrin and quercetin.Principles and Practice of Fur Dressing and Fur Dyeing | William E. Austin
British Dictionary definitions for quercetin
a yellow crystalline pigment found naturally in the rind and bark of many plants. It is used in medicine to treat fragile capillaries. Formula: C 15 H 10 O 7; melting pt: 316–7°C: Also called: flavin
- quercetic (kwɜːˈsɛtɪk, -ˈsiː-), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012