Comparison of Superoxidaze Dismutase (SOD) U/mg protein, between pre and post administration of Crocin in all groups 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 Paired t test. SOD; Superoxidaze Dismutase, U/mg; Unit per milligram, SO; Sham operated, ST; Sham treatment, Treat; Treatment, SEM; Standard error mean, ***; p < 0.001 compared to pre-test.