A New Flavonol Glycoside, Epimedin K, From Epimedium koreanum

Pengyue SUN; Wen YE; Guifang ZHENG; Zhixue WANG; Yingjie CHEN; Yukio OGIHARA; Tadahiro TAKEDA

doi:10.1248/cpb.44.446

Chemical and Pharmaceutical Bulletin

Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363

A New Flavonol Glycoside, Epimedin K, From Epimedium koreanum

Pengyue SUN, Wen YE, Guifang ZHENG, Zhixue WANG, Yingjie CHEN, Yukio OGIHARA, Tadahiro TAKEDA

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Keywords: Epimedium koreanum, Berberidaceae, anhydroicaritin, epimedin K

JOURNAL FREE ACCESS

1996 Volume 44 Issue 2 Pages 446-447

DOI https://doi.org/10.1248/cpb.44.446

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Abstract

A new flavonol glycoside named epimedin K was isolated from the aerial parts of Epimedium koreanum NAKAI (Berberidaceae). Its chemical structure was found to be anhydroicaritin 3-O-β-D-(2, 6-di-O-acetyl) glucopyranosyl (1→3)-α-L-(4-O-acetyl) rhamnopyranoside-7-O-β-D-glucopyranoside on the basis of spectroscopic and chamical evidence.

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