Fig. 2

Effect of GBE on antioxidant indices in liver and serum. A The reduced GSH content of liver tissues. B The SOD activity in liver tissues. C The T-AOC of liver tissues. D The MDA content of liver tissues. E The GSH-PX activity in liver tissues. F The reduced GSH content of serum. G The SOD activity in serum. H The T-AOC of serum. I The MDA content of serum. Data are presented as the mean ± SEM; n = 10 hens per group. Statistical analysis was performed using one-way ANOVA followed by the LSD. ^*P < 0.05, ^**P < 0.01, ^***P < 0.001