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Flavonol glycosides from Eschscholtzia californica
1Department of Pharmaceutical Biology, Philipps University, Marburg, Germany.
Phytochemistry
|February 6, 1999
Abstract:
The aqueous EtOH extract of aerial parts of Eschscholtzia californica Cham. yielded six flavonol 3-O-glycosides including two new compounds: quercetin 3-O-[alpha-rhamnopyranosyl-(1-4)-alpha-rhamnopyranosyl-(1-6)-beta- glucopyranoside] and isorhamnetin 3-O-[alpha-rhamnopyranosyl-(1-4)-alpha-rhamnopyranosyl-(1-6)-beta- glucopyranoside]. Their structures were established on the basis of spectroscopic studies.