作者:Jiang Hu、Yan Song、Hui Li、Benshou Yang、Xia Mao、Yongmao Zhao、Xiaodong Shi
DOI:10.1007/s12272-014-0477-3
日期:2015.6
Phytochemical investigation of the ethanol extract of the roots of Sanguisorba officinalis resulted in the isolation of three new triterpene glycosides, 3β-[(α-L-arabinopyranosyl)oxy]-19α,23-dihydroxyolean-12-en-28-oic acid 28-[6-O-acetyl-β-D-glucopyranosyl] ester (1), 2α,3β,19α,23-tetrahydroxyurs-12-en-28-oic acid 28-[6-O-acetyl-β-D-glucopyranosyl] ester (2), and 3β-[(α-L-arabinopyranosyl)oxy]-19α-hydroxyurs-12,20(30)-dien-28-oic acid 28-[6-O-acetyl-β-D-glucopyranosyl] ester (3). All the triterpene glycosides exhibited the significant cytotoxic potential with low IC50 values (IC50 < 5.0 μM) against six tumor cell lines (MCF-7, HeLa, HepG2, SGC-7901, NCI-H460, and BGC-823).
通过对 Sanguisorba officinalis 根部乙醇提取物进行植物化学研究,分离出了三种新的三萜苷,即 3β-[(α-L-阿拉伯吡喃糖基)氧基]-19α,23-二羟基油菜-12-烯-28-酸 28-[6-O-乙酰基-β-D-吡喃葡萄糖基] 酯 (1)、2α,3β,19α,23-四羟基乌苏-12-烯-28-酸 28-[6-O-乙酰基-β-D-吡喃葡萄糖基] 酯 (2),以及 3β-[(α-L-阿拉伯吡喃糖基)氧基]-19α-羟基乌苏-12,20(30)-二烯-28-酸 28-[6-O-乙酰基-β-D-吡喃葡萄糖基] 酯 (3)。所有三萜苷类对六种肿瘤细胞系(MCF-7、HeLa、HepG2、SGC-7901、NCI-H460 和 BGC-823)都具有显著的细胞毒性潜力,IC50 值很低(IC50 < 5.0 μM)。