Effects of Crocin on Glutathione Proxidaze (GPx) in the whole brain tissue after 21 days with oral administration (100 mg/kg) in demyelinated Wistar rats. Data are presented as Mean ± SEM and analyzed by one way ANOVA with LSD's post hoc test. GPx; Glutathione Proxidaze, U/mg; Unit per milligram, Sham Operated, ST: Sham Treatment, Treat: Treatment, *: p < 0.05, vs. Sham group, #: p < 0.05, vs. ST group; ɸɸ: p < 0.01 vs. SO group.