[Flavonoids from leaves of Epimedium pubescens].

Eleven compounds were isolated from the leaves of Epimedium pubescens by means of various chromatographic techniques such as silica gel, MCI, Sephadex LH-20 and preparative HPLC. Their structures were identified as anhydroicaritin (1), icariside II (2), 2'''-O-rhamonosyl-icariside II (3), desmethylanhydroicaritin (4), baohuosaide II (5), epimedokoreanin B (6), acuminatin (7), tricin(8), kaempferol (9), daidzein (10) and 4-hydroxy ethyl benzoate...