Changes in serum biochemistry and lipids in rats treated with oleanolic acid. SD rats were orally given oleanolic acid at 100 mg/kg per day for total 7 days. A. Serum levels of ALT, AST, and ALP. B. Serum levels of TBIL, DBIL, and TBA. C. Serum levels of lipids Tgh, TG, HDL-C, and LDL-C. Data are expressed as mean ± SD (n = 5 rats per group). *P < 0.01 vs the vehicle control.