Figure 4.

Determination of antioxidant factors in the serum of each group of mice (n = 8): (a) serum SOD content; (b) serum GSH content; (c) serum MDA content. Data are expressed as means ± SD (n = 8, ∗∗∗p < 0.001 compared to vehicle, #p < 0.05, ##p < 0.01 and ###p < 0.001 compared to DN).