Author's Organization： School of Pharmaceutical Sciences, University of Shizuoka School of Pharmaceutical Sciences, University of Shizuoka Central Research Laboratories, Yomeishu Seizo Co., Ltd., Central Research Laboratories, Yomeishu Seizo Co., Ltd., Central Research Laboratories, Yomeishu Seizo Co., Ltd.,
Ten new glycosides, icarisides A2-A4, B5-B7, E3, F1-F2 and G1, were isolated from the polar fraction of the water extract of Epimedium grandiflorum MORR. var. thunbergianum (MIQ.) NAKAI, together with three known glycosides, phenethyl glucoside, (Z)-3-hexenyl glucoside and blumenol C glucoside. Their structures were established on the basis of chemical evidence and spectral data.
