Treatment of hepatic steatosis by BDS (450 mg/kg), PDS (30 mg/kg), CDS (30 mg/kg), or ZH (250 μg/kg) modulated the hepatic level of catalase by 1, 1.3, 1.7, and 2 folds' elevation, respectively; and the hepatic level of GST by about 0.8, 1, 1.2, and 1.3 folds' elevation, respectively. The gene discussed is CAT; the disease is fatty liver disease.