Figure 3: Flow cytometric analysis of live and apoptotic cells pretreated with MeOH and EtOAc extracts of H. formicarum Jack. followed by 400 μM H2O2 for 24 h. A. Histograms of live and apoptotic cells stained with annexin V ; B. Bar diagram of live and total apoptotic cells. The data are shown as mean ± S.E.M. of three independent experiments, ** P<0.001 vs. control; ## P<0.01 vs. 400 μM H2O2-treated group.