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Zhongguo Zhongyao Zazhi 2015-Jul

[Saponins from roots of Securidaca inappendiculata with cytotoxic activities].

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Hai-yan Zha
Xue-dong Yang
Li-jie Zhang
Da-qing Jin
Zhi Wang
Li-zhen Xu
Shi-lin Yang

キーワード

概要

Seven acylated triterpene saponins were isolated from the roots of Securidaca inappendiculata by means of various chromatographic techniques such as silica gel, MPLC, preparative HPLC, and semi-preparative HPLC. Their chemical structures were identified as securioside A(1), securioside B(2), 3-O-β-D-glucopyranosyl presenegenin 28-O-β-D-xylopyranosyl-(1-->4)-α-L-rhamnopyranosyl-(1-->2)-[β-D-glucopyranosyl-(1-->3)]-4-O-[(E)-3,4-dimethoxycinnamoyl]-β-D-fucopyranosyl ester(3), 3-O-β-D-glucopyranosyl presenegenin 28-O-β-D-xylopyranosyl-(1-->4)-α-L-rhamnopyranosyl-(1-->2)-[β-D-glucopyranosyl-(1-->3) ] -4-O-[(E/Z)-3, 4-dimethoxycinnamoyl]-β-D-fucopyranosyl ester(3/4), 3-O-β-D-glucopyranosyl presenegenin 28-O-α-L-arabinopyranosyl-(1-->3)-β-D-xylopyranosyl-(1-->4)-α-L-rhamnopyranosyl-(1-->2)-4-O-[(E)-3,4-dimethoxycinnamoyl]-β-D-fucopyranosyl ester(5), polygalasa- ponin XLV(6), and polygalasaponin XLVI (7) on the basis of spectroscopic data analysis and physicochemical properties. Among them, compounds 5-7 were isolated from the plants in genus Securidaca for the first time and compounds 3, 3/4 were isolated from the species for the first time. The cytotoxicity assay showed that compounds 2, 3/4, 5 have moderate cytotoxic activities against Lewis lung carcinoma LLC cells with IC50 values of 41.10, 38.17, and 48.92 µmol · L(-1), respectively; compound 2 exhibited moderate cytotoxic activities against human breast cancer MCF-7 cells with an IC50 value of 47.93 µmol · L(-1).

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