Research Article

Potential Antioxidant Activity of Novel Antioxidant Peptides from Protein Hydrolysate of Peony Seed Dreg in Chemical and H2O2-Induced RAW264.7 Cells

Figure 4

Effects of peptide fraction F7 on H2O2-mediated oxidative damage on plasmid DNA: lane 1, pUC18; lane 2, F7; lane 3, FeSO4 + H2O2 + pUC18; lane 4, FeSO4 + H2O2 + pUC18 + F7 (100 μg/ml); lane 5, FeSO4 + H2O2 + pUC18 + F7 (200 μg/ml).