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11.
[目的]探讨加味桃核承气汤对链脲佐菌素（STZ）t-导形成糖尿病大鼠的血糖、胰岛素及脂类代谢的影响。[方法]尾静脉注射链脲佐菌素建立大鼠糖尿病模型,糖尿病大鼠随机分为治疗组和模型组,并设立对照组。加味桃核承气汤水煎剂10mr／（b·d）（1g／ml生药）灌胃56d,检测第14、28、42、56天的血糖和脂类代谢指标,检测第56天的血清胰岛素水平。[结果]加味桃核承气汤可以显著降低模型组的血糖（GLU）、甘油三酯（TG）、低密度脂蛋白胆固醇（LDL—C）、总胆固醇（TC）含量;治疗组高密度脂蛋白胆固醇（HDL—C）含量较模型组显著升高,各组胰岛素水平差异不显著。[结论]加味桃核承气汤可以通过降低血糖和改善脂代谢紊乱来发挥治疗糖尿病的作用。 相似文献
12.
Bergenin, a major constituent of Caesalpinia digyna Rottler (Leguminosae) was isolated from its roots and was characterized by comparing its melting point and spectroscopic data (IR, (1)H, (13)C, Mass Spectra) with standard bergenin. Isolated bergenin was then evaluated for antidiabetic (Type 2) activity in streptozotocin (STZ)-nicotinamide induced diabetic rats. Bergenin was administered at doses of 2.5, 5, and 10 mg/kg; p.o. to normal rats which were subjected to oral glucose tolerance test (OGTT). Bergenin at same dose level was given to diabetic rats and fasting blood glucose level was estimated on 0th, 7th and 14th day of treatment while plasma lipids, antioxidant enzymes and liver glycogen level in diabetic rats were estimated on 14th day of treatment followed by histopathological studies of pancreas. Bergenin at 10mg/kg; p.o. was found to reduce blood glucose level significantly in OGTT (P<0.01) while it showed a significant reduction in fasting blood glucose level in diabetic rats at same dose level only on 14th day of treatment. Bergenin in all dose levels reversed plasma lipid (reduced elevated TC, LDL-C and increased HDL-C level) profile to normal values except TG. However, bergenin showed no significant effect on liver glycogen at all dose level. The decrease in lipid peroxides and increase in superoxide dismutase (SOD) and catalase (CAT) in liver illustrated the antioxidant potential of bergenin. Histopathological studies demonstrated the regenerative effect of bergenin on pancreatic β cells. Hence, bergenin isolated from C. digyna possesses significant antidiabetic, hypolipidemic and antioxidant activity in Type 2 diabetic rats. 相似文献