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Abstract
Herbal Preparations Contain Many Bioactive Compounds With Potentially Deleterious As Well As Beneficial Effects. There Is Clearly A Need For Greater Education Of Patients And Doctirs About Herbal Thetrapy, For Legislations.
Aim Of The Work is To Control The Quality Of Herbal Preparations, And Particular For Futher Randomized Controlled Trials To Establish The Value And Safecty Of Such Preparationa In Digestive And Other Disorders. There is an increase in the use of complementary and alternative medicine CAM especially herbal therapy’among patients with liver disease. the most commonly used herbal agagent is silymarin. Studies in patients with liver disease have shown that silymarin.increases superoxide dismutase SOD activity of lymphocytes and erythrocytes’ as well as the expression of SOD activity of lymphocytes and erythrocytes’as well as the expression of SOD in lymphocytes . silymarin has also been shown to increase patients serum level of glutathione and glutathione peroxidase.