In this investigation. 33 male Wistar rats (weighing 200-225g) were divided into 4 groups: the normal control, the diabetic control, diabetes+ GS and diabetes+ SS. 55mg/kg of streptozocin was intravenously injected to induce diabetes in rats. 150 mg/kg · day of GS and 10mg/ kg· day of SS were given P. O. for 20 weeks to the diabetic rats respectively. The effects of GS and SS on the levels of blood sugar, SOD and LPO were observed for the purpose of finding some theoretic basis for extensive clinical use to...