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Flavonol glycosides of Warburgia ugandensis leaves.
Phytochemistry. 2003 Oct; 64(4):891-6.P

Abstract

Four new flavonol gycosides: kaempferide 3-O-beta-xylosyl (1-->2)-beta-glucoside, kaempferol 3-O-alpha-rhamnoside-7,4'-di-O-beta-galactoside, kaempferol 3,7,4'-tri-O-beta-glucoside and quercetin 3-O-[alpha-rhamnosyl (1-->6)] [beta-glucosyl (1-->2)]-beta-glucoside-7-O-alpha-rhamnoside, were characterized from a methanolic leaf extract of Warburgia ugandensis. The known flavonols: kaempferol, kaempferol 3-rhamnoside, kaempferol 3-rutinoside, myricetin, quercetin 3-rhamnoside, kaempferol 3-arabinoside, quercetin 3-glucoside, quercetin, kaempferol 3-rhamnoside-4'-galactoside, myricetin 3-galactoside and kaempferol 3-glucoside were also isolated. Structures were established by spectroscopic and chemical methods and by comparison with authentic samples.

Authors+Show Affiliations

Manguro LO
Nairobi University, Chemistry Department, PO Box 30197, Nairobi, Kenya.
Ugi I
No affiliation info available
Lemmen P
No affiliation info available
Hermann R
No affiliation info available

MeSH

FlavonoidsFlavonolsGlycosidesKaempferolsMagnetic Resonance SpectroscopyPlant LeavesPlants, MedicinalQuercetinSpectrometry, Mass, Fast Atom Bombardment

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

14559287

Citation

Manguro, Lawrence O Arot, et al. "Flavonol Glycosides of Warburgia Ugandensis Leaves." Phytochemistry, vol. 64, no. 4, 2003, pp. 891-6.
Manguro LO, Ugi I, Lemmen P, et al. Flavonol glycosides of Warburgia ugandensis leaves. Phytochemistry. 2003;64(4):891-6.
Manguro, L. O., Ugi, I., Lemmen, P., & Hermann, R. (2003). Flavonol glycosides of Warburgia ugandensis leaves. Phytochemistry, 64(4), 891-6.
Manguro LO, et al. Flavonol Glycosides of Warburgia Ugandensis Leaves. Phytochemistry. 2003;64(4):891-6. PubMed PMID: 14559287.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Flavonol glycosides of Warburgia ugandensis leaves. AU - Manguro,Lawrence O Arot, AU - Ugi,Ivar, AU - Lemmen,Peter, AU - Hermann,Rudolf, PY - 2003/10/16/pubmed PY - 2003/12/19/medline PY - 2003/10/16/entrez SP - 891 EP - 6 JF - Phytochemistry JO - Phytochemistry VL - 64 IS - 4 N2 - Four new flavonol gycosides: kaempferide 3-O-beta-xylosyl (1-->2)-beta-glucoside, kaempferol 3-O-alpha-rhamnoside-7,4'-di-O-beta-galactoside, kaempferol 3,7,4'-tri-O-beta-glucoside and quercetin 3-O-[alpha-rhamnosyl (1-->6)] [beta-glucosyl (1-->2)]-beta-glucoside-7-O-alpha-rhamnoside, were characterized from a methanolic leaf extract of Warburgia ugandensis. The known flavonols: kaempferol, kaempferol 3-rhamnoside, kaempferol 3-rutinoside, myricetin, quercetin 3-rhamnoside, kaempferol 3-arabinoside, quercetin 3-glucoside, quercetin, kaempferol 3-rhamnoside-4'-galactoside, myricetin 3-galactoside and kaempferol 3-glucoside were also isolated. Structures were established by spectroscopic and chemical methods and by comparison with authentic samples. SN - 0031-9422 UR - https://www.unboundmedicine.com/medline/citation/14559287/Flavonol_glycosides_of_Warburgia_ugandensis_leaves_ DB - PRIME DP - Unbound Medicine ER -