New pregnane saponins from Ecdysanthera rosea and their cytotoxicity
2011
Zhu, Xiangdong | Wu, Guisheng | Xiang, Jianying | Luo, Huairong | Luo, Shide | Zhu, Hongmei | Wang, Yifen
Two new pregnane saponins elucidated as ecdysantheroside A (1) and ecdysantheroside B (2) and six known compounds (3–8) based on spectral data (MS, IR, 1D and 2D NMR) were isolated from the stem bark of Ecdysanthera rosea. The cytotoxicity against six cell lines of these compounds was tested by MTT assay. The results revealed that compounds 5 and 7 showed cytotoxicity against all the cell lines. Compound 2 showed cytotoxicity against cells A549, MDA435, HepG2, and HUVEC, while compound 4 showed cytotoxicity against cells A549, CEM, and HUVEC. Compound 6 had cytotoxicity against the others except cell HepG2.
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Эту запись предоставил National Agricultural Library