Flavonol triglycosides from Blackstonia peroliata

Three new flavonol triglycosides quercetin, kaempferol and isorhamnetin 3-rhamnosyl(1→2)galactoside-7-glucosides have been isolated from leaves and stems of Blackstonia perfoliata. This species together with three other genera of the tribe Gentianeae, subtribe Chlorae: Centaurium, Coutoubea and Eust...

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Veröffentlicht in:	Phytochemistry (Oxford) 1990, Vol.29 (4), p.1283-1286
Hauptverfasser:	Kaouadji, Mourad, Doucouré, Amidou, Mariotte, Anne-Marie, Chulia, Albert J., Thomasson, François
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical, structural and metabolic biochemistry Biological and medical sciences Biotechnology Blackstonia perfoliata chemical constituents of plants chemical structure chemotaxonomy Chlorae flavonoids Flavonoids - isolation & purification flavonol triglycosides Flavonols Fundamental and applied biological sciences. Psychology Gentianaceae Glycosides Kaempferols leaves Magnetic Resonance Spectroscopy Molecular Structure Other biological molecules Plants - analysis Quercetin - analogs & derivatives Quercetin - isolation & purification quercetin, kaempferol and isorhamnetin 3- O-α- l-rhamnopyranosyl(1→2)-β- d-galactopyranoside-7- O-β- d-glucopyranosides stems Trisaccharides - isolation & purification
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Beschreibung
Zusammenfassung:	Three new flavonol triglycosides quercetin, kaempferol and isorhamnetin 3-rhamnosyl(1→2)galactoside-7-glucosides have been isolated from leaves and stems of Blackstonia perfoliata. This species together with three other genera of the tribe Gentianeae, subtribe Chlorae: Centaurium, Coutoubea and Eustoma, is unusual in producing flavonol glycosides instead of C-glycosyl flavones, the more characteristic flavonoid constituents of the Gentianaceae.
ISSN:	0031-9422 1873-3700
DOI:	10.1016/0031-9422(90)85443-J