Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A crystalline compound, C15H10O2, the parent substance of a number of important yellow pigments, occurring on the leaves or in the stems and seed capsules of many primroses.
- noun Any of a class of crystalline flavonoids that are found in citrus fruits, celery, and other foods.
from The Century Dictionary.
- noun A group of naturally occurring yellow coloring-matters, some members of which are used as dyes. The parent substance is called phenylpheno-
γ -pyrone, C15H10O2.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry any of a class of
tricyclic aromatic heterocyclic ketones , especially the naturally occurringflavonoids - noun chemistry (
uncountable ) theparent compound of this class
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a colorless crystalline compound that is part of a number of white or yellow plant pigments
Etymologies
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Examples
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The usual dose is 60 mg twice a day, and it should be standardized to 24 percent flavone glycosides or ginkgolides.
The Chemistry of Calm M.D. Henry Emmons 2010
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Polyphenols identified in the cocoa bean include several different catechins, as well as procyanins, anthocyanins, and flavone and flavonol glycosides.
Dr. Nicholas Perricone: How Sweet It Is: Good News About Chocolate and Cocoa 2009
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Willstätter has elucidated the chemical structure of these cyanidins; he has proved in what their difference consists in the various flowers or fruits, and has also proved their close relationship with the yellow pigments, occurring in Nature, of the flavone or flavonol group.
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JAIN, R.K. and SHARMA, G.C. (1980) ProsogerinD, a new flavone from Prosopis spicigera seeds.
Chapter 5 1953
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BATYUK, V.S. and KOLTSOVA, L.F. (1968) Isoquercitrin, a new flavone glycoside of Solidago canadensis.
Chapter 5 1953
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V. (1963) A new flavone from Artemisia herba-alba.
Chapter 5 1953
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The flavonoids, apigenin, flavone, flavanone, hesperidin, naringin, and tangeretin promoted the ascorbic acid-induced lipid peroxidation, the extent of which depended upon the concentration of the flavonoid and ascorbic acid.
Wil's Ebay E-Store amp;34; 2010
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The presence of a double bond at position C-2-3 in the flavone and flavonol aglycones, a keto group at C-4, B ring hydroxylation and/or a free hydroxyl group at C-3 may be associated with activity.
Wil's Ebay E-Store amp;34; 2010
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Among the 22 flavone derivatives tested, only wogonin was strongly mutagenic, while five derivatives, apigenin triacetate, acacetin, chrysoeriol, pedalitin, and pedalitin tetraacetate, were only weakly mutagenic.
Wil's Ebay E-Store amp;34; 2010
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Active ingredients include flavone glycosides (including ginkgolide), bioflavins, sitosterol, lactones and anthocyanin.
Wil's Ebay E-Store amp;34;Weight Loss 2010
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