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A new oleanene glucuronide obtained from the aerial parts of Melilotus officinalis
1Faculty of Pharmaceutical Sciences, Kumamoto University, Japan.
Chemical & Pharmaceutical Bulletin
|March 8, 2000
Abstract:
A new oleanene glucuronide called melilotus-saponin O2 (1) was isolated together with three known ones (soyasaponin I, astragaloside VIII, wistariasaponin D) from the aerial parts of Melilotus officinalis (L.) Pallas (Leguminosae). The structure of 1 was determined to be 3-O-alpha-L-rhamnopyranosyl-(1-->2)-beta-D-xylopyranosyl- (1-->2)-beta-D-glucuronopyranosyl melilotigenin by spectroscopic and chemical methods.