Antioxidant Properties of Unripe Carica papaya Fruit Extract and Its Protective Effects against Endothelial Oxidative Stress

Figure 4

The Hoechst and PI staining of H₂O₂-induced EA.hy926 cell death. Cells were pretreated with UCP for 48 h and later exposed to 1 mM H₂O₂ for 4 h as described in Materials and Methods. Data are presented as mean ± SEM. p < 0.001 compared with control group. # p < 0.05 and ### p < 0.001 compared with 1 mM H₂O₂ treated group.