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Flavonoids from the Fresh Leaves of Kalanchoe tomentosa (Crassulaceae)

机译:毛鳞甘蓝(新鲜的叶子)中的类黄酮

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Flavonoids compounds such as kaempferol (1), kaempferol-3-O-β-D-glucopyranoside or astragalin (2) andkaempferol-3-O-α-L-rhamnoside or afzelin (3) have been isolated from the fresh leaves of Kalanchoe tomentosa(Crassulaceae). The chemical structure of isolated compounds 1-3 were identified by spectroscopic evidences andcomparison with those compound previously reported. Compounds 1-3 showed cytotoxic activity against P-388 murineleukimia cells with IC50 values of 51.8, 100 and 3.32 μg/mL, respectively.
机译:从山甘草的新鲜叶中分离出了类黄酮化合物,如山emp酚(1),山emp酚-3-O-β-D-吡喃葡萄糖苷或黄芪素(2)和山emp酚-3-O-α-L-鼠李糖苷或黄柏苷(3)。绒毛(十字花科)。分离的化合物1-3的化学结构通过光谱证据和与先前报道的那些化合物的比较进行鉴定。化合物1-3对P-388鼠白血病细胞表现出细胞毒活性,IC50值分别为51.8,> 100和3.32μg/ mL。

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