quercetin

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quer·ce·tin

 (kwûr′sĭ-tĭn)
n.
A yellow flavonol, C15H10O7, found in glycoside form in tea and in many vegetables and fruits. It is an antioxidant and is used as a dietary supplement for its supposed antihistaminic, anti-inflammatory, and antitumor properties.

[Latin quercētum, oak forest (from quercus, oak; see perkwu- in Indo-European roots) + -in.]

quercetin

(ˈkwɜːsɪtɪn) or

quercitin

n
(Elements & Compounds) a yellow crystalline pigment found naturally in the rind and bark of many plants. It is used in medicine to treat fragile capillaries. Formula: C15H10O7; melting pt: 316–7°C. Also called: flavin
[C19: from Latin quercētum an oak forest (from quercus an oak) + -in]
quercetic adj
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