New Tetrasaccharide Flavonol Glycoside from Epimedium acuminatum
- 1 May 1992
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of Natural Products
- Vol. 55 (5) , 672-675
- https://doi.org/10.1021/np50083a019
Abstract
A new tetrasaccharide flavonol glycoside was isolated from the aerial parts of Epimedium acuminatum, along with three known flavonoids. The structure of the new compound, named acuminatoside [1], was established to be anhydroicaritin-3-O-alpha-L-rhamnopyranosyl(1----2)-alpha-L-rhamno pyranoside-7- O-beta-D-glucopyranosyl-(1----2)-beta-D-glucopyranoside by means of spectroscopic techniques (uv, eims, fdms, fabms, 1H nmr, 1H-1H COSY, 2D-J, 13C nmr, APT, and 1H-13C HETCOR) and chemical methods (acid hydrolysis, enzymatic hydrolysis, and tlc-densitometry). The known compounds were identified as icariin, epimedoside A, and kaempferitrin.Keywords
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