Ginsenoside Ro, an oleanane-type saponin has been screened for activity in experimental models of acute and chronic hepatitis. Ginsenoside Ro (50 and 200 mg/kg, p.o.) inhibited the increase of serum glutamic oxaloacetic transaminase (s-GOT) and serum glutamic pyruvic transaminase (s-GPT) levels in D-galactosamine (GalN)- and carbon tetrachloride (CCl4)-induced acute hepatitic rats. Ginsenoside Ro inhibited the increase of connective tissue in the liver of CCl4-induced chronic hepatitic rats. Ginsenoside Ro showed a stronger inhibitory effect on the GalN-induced acute hepatitic model than those of the aglycone of ginsenoside Ro, oleanolic acid, or glycyrrhizic acid and its aglycone, glycyrrhetinic acid.
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Matsuda et al. (1991) studied this question.