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  • noun

Words related to flavonoid

any of a large class of plant pigments having a chemical structure based on or similar to flavone

References in periodicals archive ?
A prenylated flavanone from Dalea elegans inhibits rhodamine 6 G efflux and reverses fluconazole-resistance in Candida albicans.
Comparative study on the antibacterial activity of phytochemical flavanones against methicillin-resistant Staphylococcus aureus.
The second and third treatments led to an increase in the extraction of flavanone content.
It is likely that chalcone synthase (CHSase) and chalcone isomerase (CHIase) activities are present in white corollas from site B and that flavanone 3-hydroxylase (F3Hase) activity is absent or reduced to trace levels for the following reasons.
Hairy root cultures, roots transformed by Agrobacteriurn rhizogenes, have been useful in studying the regulation of proanthocyanidin biosynthesis, in particular the study of 3-hydroxy flavanone reductase (flavan-3,4-diol or dihydroflavonol reductase) in Lotus corniculatus (Carron et al.
However, participants in the highest quintiles of flavonol and flavanone intakes had modestly lower risk of ovarian cancer than that of participants in the lowest quintile, although the P-trend was not significant [HRs: 0.
In the present study, a complex of compounds (red orange complex, ROC), obtained from three red orange varieties (Citrus sinensis varieties: Moro, Tarocco and Sanguinello), containing cyanidin glycosides, hydroxycinnamic acids, flavanone glycosides and ascorbic acid, was screened to discover new lead compounds in the suppression of the production of key molecules released during inflammatory events in interleukin-1beta (IL-beta) stimulated human primary chondrocytes.
Ten flavonol O-glycosides (based on kaempferol and quercetin), two flavanone O-glycosides (based on naringenin and eriodictyol) and three C-glycosylflavones (vitexin, vitexin 7-O-glucoside and orientin) have previously been identified by Hiraoka (Biochem.
Percentages and concentrations of 11 flavanone glycosides, three flavone glycosides and one flavonol glycoside were determined and categorized.
Antiinflamatory, Antipyretic & Analgesic Properties of Bavachinin-a Flavanone Isolated from Seeds of Psoralea corylifolia Linn.
Hesperidin, a flavanone antioxidant found in orange juice, helps to reduce blood pressure and other cardiovascular disease risk factors.
Structure-activity relationships of the flavonoids demonstrated three distinct principles: (i) flavonoid-aglycons are more potent than the corresponding glycosides, (ii) flavonoids with a 4'-OH substitution in the B-ring are more potent than those with a 3'-OH-4'methoxy substitution, (iii) flavonoids of the flavone type (with a C2=C3 double bond) are more potent than those of the flavanone type (with a at C2-C3 single bond).
Previous investigations on the flavonoids of the genus Dryopteris have led to the identification of ten flavonol glycosides based on kaempferol and quercetin, two flavanone O-glycosides (based on naringenin and eriodictyol) and three C-glycosylflavones (vitexin, vitexin 7-O-glucoside and orientin) by Hiraoka (Biochem.