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首页> 外文期刊>Journal of Asian natural products research >Bufadienolides and polyhydroxycholestane derivatives from Bufo bufo gargarizans
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Bufadienolides and polyhydroxycholestane derivatives from Bufo bufo gargarizans

机译：Bufadienolides and polyhydroxycholestane derivatives from Bufo bufo gargarizans

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摘要

A new polyhydroxycholestane sulfate ester, 3 alpha,12 beta,25,26-tetrahydroxy-7-oxo-5 beta-cholestane 26-O-sulfate (1), was isolated from dried skin of Bufo bufo gargarizans Cantor and its structure was elucidated on the basis of extensive 1D and 2D NMR as well as HR-ESI-MS analysis. A comparison of steroidal metabolite profiles, based on HPLC and LC-MS analyses, indicates that the chemical compositions of the various parts of toads, such as venom, skin and stratum corneum, are significantly different.

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