abstract |
The present invention relates to a composition comprising crude drug extract, specifically, the extract of the Cucumis melon Linn. var. ma-gua (Jing feng seed), Ixeris dentata, Youngia sonchifolia and the combination thereof showing inhibiting effect on the polymerase enzyme activity of hepatitis B virus and hepatitis C virus for the prevention and treatment of hepatic disease caused by viral infection. |