Two new oleanolic acid saponins, namely celosin C (1) and celosin D (2), were isolated from the ethanol extract of Semen celosiae. Their structures were identified as celosin C (1) and celosin D (2) by spectroscopic and chemical analyses. The hepatoprotective activity of 1 and 2 with oral dose 1.0, 2.0 and 4.0 mg/kg, respectively, were investigated by carbon tetrachloride (CCl(4))-induced hepatotoxicity in mice. The results indicate that they have significant hepatoprotective effects (p<0.01).
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| http://dx.doi.org/10.1016/j.fitote.2009.11.004 | DOI Listing |
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