flavone

flavone
1. A plant pigment that is the basis of the flavonoids; it is a potent inhibitor of prostaglandin biosynthesis. 2. One of a class of compounds based on f. (1).

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fla·vone 'flā-.vōn n a colorless crystalline ketone C15H10O2 found in the leaves, stems, and seed capsules of many primroses also any of the derivatives of this ketone many of which occur as yellow plant pigments in the form of glycosides and are used as dyestuffs

Medical dictionary. 2011.

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  • Flavone — Général Nom IUPAC 2 phényl 1 benzopyran 4 one Synonymes 2 phénylchromén 4 one …   Wikipédia en Français

  • Flavone —   [zu lateinisch flavus »gelb«], Singular Flavon das, s, in höheren Pflanzen verbreitet vorkommende, meist gelbe Farbstoffe, die als Grundgerüst das farblose, fast wasserunlösliche Flavon (2 Phenylchromon, Summenformel C15H10O2) enthalten.… …   Universal-Lexikon

  • flavone — ● flavone nom féminin Composé C15H10O2, dont dérivent de nombreux colorants naturels, comme l apigénine et la chrysine …   Encyclopédie Universelle

  • Flavone — Flavone, Pigmente im Zellsaft von Pflanzen, die Pflanzenteilen eine gelbe Farbe verleihen und als UV Schutzstoffe wirken; leiten sich von den phenolischen ⇒ Flavonoiden ab, zu denen auch die ⇒ Anthocyane gehören …   Deutsch wörterbuch der biologie

  • flavone — [flā′vōn΄] n. [Ger flavon < L flavus, yellow (< IE base * bhlē wos, used of light colors > BLUE) + Ger on, ONE] 1. a colorless crystalline ketone, C15H10O2, obtained from certain plants or prepared synthetically: it forms a base for some …   English World dictionary

  • Flavone — Strukturformel von Flavon Flavone sind gelbe Pflanzenfarbstoffe, die als Derivate des Flavons zur Klasse der Flavonoide zählen. Es sind ca. 300 natürlich vorkommende Flavone bekannt. Wie andere Flavonoide kommen die meisten Flavone als… …   Deutsch Wikipedia

  • flavone — (= 2 phenylchromen 4 one; 2 phenyl 4H 1 benzopyran 4 one) Specifically the compound and more generally a group of hydroxylated derivatives. Flavone glycosides occur widely as yellow pigments in angiosperms …   Dictionary of molecular biology

  • flavone — flavonas statusas T sritis chemija formulė (O=)C₉H₅O(C₆H₅) atitikmenys: angl. flavone rus. флавон ryšiai: sinonimas – 2 fenil 4H 1 benzopiran 4 onas …   Chemijos terminų aiškinamasis žodynas

  • Flavone (groupe) — La flavone (2 phénylchromén 4 one), squelette de base des flavones Les flavones (du latin flavus, jaune) sont une sous famille des flavonoïdes dont la structure est basée sur la flavone (2 phényl 1 benzopyran 4 one ou 2 phénylchromén 4 one). Ce… …   Wikipédia en Français

  • Flavone synthase — In enzymology, a flavone synthase (EC number|1.14.11.22) is an enzyme that catalyzes the chemical reaction:a flavanone + 2 oxoglutarate + O2 ightleftharpoons a flavone + succinate + CO2 + H2OThe 3 substrates of this enzyme are flavanone, 2… …   Wikipedia

  • Flavone apiosyltransferase — In enzymology, a flavone apiosyltransferase (EC number|2.4.2.25) is an enzyme that catalyzes the chemical reaction:UDP apiose + 5,7,4 trihydroxyflavone 7 O beta D glucoside ightleftharpoons UDP + 5,7,4 trihydroxyflavone 7 O [beta D apiosyl (1 >2) …   Wikipedia

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