Figure 2: Effect of A. biebersteinii on the levels of nonprotein sulfhydryl (NP-SH) in the liver tissue of the rats. Group I: control; Group II: CCl4; Group III: ABEO (0.2 mL/kg + CCl4); Group IV: silymarin (10 mg/kg + CCl4); (a) as compared with normal group, (b) as compared with CCl4 group.