The activities of the serum antioxidant indicators in the different experimental groups during the whole experimental period. Where: T-GSH (*** meaning, p ˂ 0.001 comparative to C, # meaning, p ˂ 0.05, ### meaning, p ˂ 0.01 comparative to HFD, $$$ meaning, p ˂ 0.001 comparative two months to six months); GSSG (* meaning, p ˂ 0.05, *** meaning, p ˂ 0.001 comparative to C, # meaning, p ˂ 0.05 comparative to HFD), GSH (*** meaning, p ˂ 0.001 comparative to C, # meaning p ˂0.05, ## meaning, p ˂ 0.01, ### meaning, p ˂ 0.001 comparative to HFD, $$$ meaning, p ˂ 0.001 comparative two months to six months); TAC (*** meaning, p ˂ 0.001 comparative to C, ## meaning, p ˂ 0.01, ### meaning, p ˂ 0.001 comparative to HFD, $$$ meaning, p ˂ 0.001 comparative two months to six months).