Hepatoprotective triterpene saponins from the roots of Glycyrrhiza inflata.
Hepatoprotective triterpene saponins from the roots of Glycyrrhiza inflata.
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DOI:
10.3390/molecules20046273
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发表时间:
2015-04-09
期刊:
影响因子:
--
通讯作者:
Peng GP
中科院分区:
文献类型:
--
作者:
Zheng YF;Wei JH;Fang SQ;Tang YP;Cheng HB;Wang TL;Li CY;Peng GP
Two novel oleanane-type triterpene saponins, licorice-saponin P2 (1) and licorice-saponin Q2 (3), together with nine known compounds 2, 4–11, have been isolated from the water extract of the roots of Glycyrrhiza inflata. The structures of these compounds were elucidated on the basis of spectroscopic analysis, including 2D-NMR experiments (1H–1H COSY, HSQC, HMBC and ROESY). In in vitro assays, compounds 2–4, 6 and 11 showed significant hepatoprotective activities by lowering the ALT and AST levels in primary rat hepatocytes injured by D-galactosamine (D-GalN). In addition, compounds 2–4, 6, 7 and 11 were found to inhibit the activity of PLA2 with IC50 values of 6.9 μM, 3.6 μM, 16.9 μM, 27.1 μM, 32.2 μM and 9.3 μM, respectively, which might be involved in the regulation of the hepatoprotective activities observed.
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