Figure 5: Effect of Silibinin (SIB) on liver marker enzymes in serum all tested group of animals. Values are expressed as mean ± SEM for Six animals. Group I: Normal control; Group II: PH-control; Group III: NDEA; Group IV: NDEA+SIB (25 mg/kg/day); Group V: NDEA+SIB (50 mg/kg/day). Comparisons: a = groups II and III with group I; b = group IV and V with group III. Significant: nsp>0.05; *p<0.05; **p<0.01; ***p<0.001.