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HepG2 cells were incubated with various concentrations of ginsenoside Rb3 (0, 3.125, 6.25, 12.5, 25 and 50 µM) for 24 h, and cell viability was determined by an MTT assay. Data are expressed as the mean ± standard error (n=6). *P<0.05 vs. control. Con, control.
