3 rezultatus
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-
Three flavonol glycosides isolated from the aerial parts of Epimedium acuminatum were identified as baohuoside II, epimedoside A and icariin on the basis of spectral data (UV, IR, MS, and 1HNMR) and chemical properties. Baohuoside II was isolated from the species for the first time.
OBJECTIVE
To study the components of roots of Epimedium acuminatum.
METHODS
Column chromatography was employed for the isolation. The isolated compounds were elucidated by UV, IR, FAB-MS, 1HNMR and 13CNMR analysis.
RESULTS
Four constituents were obtained and elucidated as epimedoside A(V),