Two new glycosides isolated from Sapindus mukorossi fruits: effects on cell apoptosis and caspase-3 activation in human lung carcinoma cells.
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Abstract
Two new glycosides (1, 2) and two saponins (3, 4) were isolated from the fruits of Sapindus mukorossi Gaertn. The two glycosides were designated as sapindoside G (1) and 4'',4'''''-O-diacetylmukurozioside IIa (2). All four compounds exhibited inhibitory effects against A549 human lung adenocarcinoma cells with inhibition rates up to 69.2-83.3% at a concentration of 100 μg/mL. Flow cytometric analysis revealed that compounds 1-4 could suppress A549 cell growth by promoting cell apoptosis, which was related to the activation of caspase-3.