
1) Flavin
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https://www.crosswordclues.com/clue/quercetin

Quercetin n, a flavonol, is a flavonoid, in other words, a plant pigment with a molecular structure like or derived from flavone. It is found in fruits, vegetables, leaves and grains. It can be used as an ingredient in supplements, beverages, or foods. == Occurrence == Quercetin is a flavonoid widely distributed in nature. The name has been used s...
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http://en.wikipedia.org/wiki/Quercetin

<protein> Mutagenic flavonol pigment found in many plants. Inhibits F0F1 ATPases. ... (18 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973

Mutagenic flavonol pigment found in many plants. Inhibits F-type ATPases.
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http://www.encyclo.co.uk/visitor-contributions.php

Type: Term Pronunciation: kwer′sĕ-tin Definitions: 1. An aglycon of quercitrin, rutin, and other glycosides; occurs usually as the 3-rhamnoside; used in the treatment of abnormal capillary fragility. Synonyms: meletin, sophoretin
Found on
http://www.medilexicon.com/medicaldictionary.php?t=74657

quercetin A flavonol containing many hydroxyl groups, found as its glucoside in plants, including the bark of the American oak Quercus tinctoria. It is used as a dye.
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http://www.wordinfo.info/words/index/info/view_unit/1819/

A phenolic compound (polyphenol) belonging to the large group of flavonoids (plant dyes) as a glycoside bound to sugar. The yellow dye, also known as quercitin or quercetin, is found especially in the bark of the American dyeing areas (Quercus tinctoria), as well as in apples, broccoli and onions. In grapes it is the most common flavonoid dye....
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https://glossary.wein.plus/quercetin

Found in many foods including apple, tea, cabbage, nuts and berries. An antioxidant which helps combat free radicals. Quercetin has many health promoting effects, including improvement of cardiovascular health, reducing risk for cancer. Quercetin has anti-inflammatory and anti-allergic effects. All these activities are caused by the strong antioxid...
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https://www.encyclo.co.uk/local/22769

a yellow, crystalline, slightly water-soluble powder, CHO, obtained from the bark of the quercitron and other vegetable substances, used as a yellow dye; flavin. Also called
Found on
https://www.infoplease.com/dictionary/quercetin
No exact match found.