Effects of treatment with bark extract of B. cuspidata extract (BCE 200 and 400 mg/kg) on hepatic levels of lipid hydroperoxides in Wistar rats exposed to CCl4 (60% v/v, 1 ml/kg) every 48 h for 12 days. Group 1 (G1): CCl4; Group 2 (G2): dimethyl sulfoxide(DMSO) + CCl4; Group 3 (G3): BCE (400 mg/kg); Group 4 (G4): BCE 200 + CCl4; Group 5 (G5): BCE 400 + CCl4; Group 6 (G6): DMSO. The data are expressed as means ± SD. a,b,c Different letters in columns indicate statistical significance between the groups (P < 0.05), and groups with the same letter do not differ statistically, anova followed by Tukey's test.