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机构地区:[1]重庆市特色食品工程技术研究中心,西南大学食品科学学院,重庆400715
出 处:《食品科学》2011年第5期291-295,共5页Food Science
基 金:西南大学博士基金项目(SWUB2008015)
摘 要:目的:研究卡亚叶总黄酮提取物降血糖作用。方法:将44只大鼠随机分成正常对照组(普通饲料)、模型组(ALX)、高、低剂量组(ALX+卡亚叶总黄酮提取物剂量分别为0.21、0.14g/kg)和药物治疗对照组(ALX+盐酸二甲双胍),分笼喂养28d,测定实验中大鼠血清的空腹血糖(FPG)、耐糖量(OGTT)、糖化血清蛋白(GSP)、谷丙氨酸氨基转移酶(ALT)、天冬氨酸氨基转移酶(AST)、尿素氮(BUN)、总胆固醇(TC)、血清甘油三酯(TG)、低密度脂蛋白胆固醇(LDL-C)和高密度脂蛋白胆固醇(HDL-C)的水平。结果:卡亚叶总黄酮提取物可明显降低ALX大鼠血清FPG、OGTT、GSP、ALT、AST、BUN、TG和LDL-C(P<0.05),升高HDL-C含量(P<0.05),可明显增加ALX大鼠体质量(P<0.05)。结论:卡亚叶总黄酮提取物可有效改善糖尿病大鼠体质量减轻状况,对ALX大鼠有辅助降血糖作用。Purpose: To investigate the hypoglycemic effect of Chaya leaf total flavonoids extract(CLTFE) on alloxan(ALX)-induced diabetic rats.Methods: A total of 44 rats were randomly divided into normal control group(normal feed),model control group(ALX),drug treatment control group(ALX + Metformin hydrochloride) and CLTFE treatment groups(ALX + CLTFE at the high and low dosages of 0.21 g/kg and 0.14 g/kg,respectively).The serum levels of fasting blood glucose(FPG),oral glucose tolerance test(OGTT),glycosylated serum protein(GSP),alanine aminotransferase(ALT),aspartate aminotransferase(AST),blood urea nitrogen(BUN),total cholesterol(TC),triglyceride(TG),low-density lipoprotein cholesterol(LDL-C) and high-density lipoprotein cholesterol(HDL-C) of rats in each group were determined after consecutive feeding for 28 days.Results: CLTFE significantly reduced the serum levels of FPG,OGTT,GSP,ALT,AST,BUN,TG and LDL-C(P〈0.05) in ALX-induced rats,and significantly increased the serum level of HDL-C and body weight of ALX-induced rats(P〈0.05).Conclusion: CLTFE can improve the situation of weight loss in diabetic rats,and have auxiliary hypoglycemic effect in alloxan-induced diabetic rats.
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