flavone


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Related to flavone: Flavonol, Flavonoids

fla·vone

(flā'vōn),
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 flavone (1).
Farlex Partner Medical Dictionary © Farlex 2012

flavone

(flā′vōn′)
n.
1. 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.
2. Any of a class of crystalline flavonoids that are found in citrus fruits, celery, and other foods.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

fla·vone

(flā'vōn)
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 flavone (1).
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

fla·vone

(flā'vōn)
A plant pigment that is the basis of the flavonoids; it is a potent inhibitor of prostaglandin biosynthesis.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
TLC chromatographic conditions were optimized to obtain a system in which the flavones C-glycosides would be separated in the best manner.
However, defoliated saplings had significantly higher concentrations of total flavone aglycones and DHPPG and significantly lower concentrations of cinnamic acid derivatives and (+)-catechin than did control saplings (Table 1, [ILLUSTRATION FOR FIGURE 2 OMITTED]).
In conclusion, molecular modifications on the flavone scaffold placing the amine group on different positions on A ring will be further explored in order to facilitate a cation-[pi] interaction.
Wu, "Late protective effect of pharmacological preconditioning with total flavones of rhododendra against myocardial ischemia-reperfusion injury," Canadian Journal of Physiology and Pharmacology, vol.
Different groups of mice received 3,3'-dihydroxy flavone, 6,3'-dihydroxy flavone, and 5,6-dihydroxy flavone - i.p in doses of 5, 10, and 20 mg/kg and 3,7-dihydroxy flavone in doses of 2.5, 5, and 10 mg/kg, 30 min before test.
The UV ([[lambda].sub.max]) spectrum and IR ([cm.sup.-1]) spectrum absorption bands absorption bands of flavone system.
The signal in [delta] (43.1 ppm) is assigned to C-3 [26] and the signal in 103.5 ppm is assigned to C-10 of hydroxylated flavones, which are included in the structure of our compound and confirmed in the [sup.1]H NMR spectrum.
In other words, the range of total concentration was narrower in red plants compared with green plants, which indicated that red plants could withstand a greater environmental impact on flavone accumulation, which could result in greater uniformity of food quality.
Wenzel, "Flavone potently stimulates an apical transporter for flavonoids in human intestinal Caco-2 cells," Molecular Nutrition & Food Research, vol.
The flavone to flavonol counterparts apigenin to kaempferol and luteolin to quercetin have one or two hydroxy groups, respectively, in the B ring and were active in all luciferase assays.