Triterpene saponins from the roots of Parkia bicolor A. Chev
2019
Abstract Five undescribed triterpene-type saponins, parkibicolorosides A–E, a cassane-type diterpene, and a known trimethoxy benzene glucoside were isolated from the roots of Parkia bicolor A. Chev. Their structures were elucidated by different spectroscopic methods including 1D- and 2D-NMR experiments as well as HR-ESI-MS analysis. Their cytotoxic activity against the chronic myeloid leukemia (K562) cell line was evaluated. The monosaccharides saponins exhibited a moderate antiproliferative activity with IC 50 ranging from 48.49 ± 0.16 to 81.66 ± 0.17 μM.
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