雨生红球藻源虾青素对糖尿病小鼠的降糖作用及其机制

李勇超; 贺青华; 刘瑞雪; 张波; 杨宗鑫; 周敏

doi:10.13386/j.issn1002-0306.2016.24.061

雨生红球藻源虾青素对糖尿病小鼠的降糖作用及其机制

北京联合大学功能食品科学技术研究院,北京联合大学应用文理学院

基金项目:

“十二五”国家科技支撑计划课题(2012BAD33B06)；北京联合大学校级科研项目(2015年)；

详细信息

作者简介:
李勇超(1991-),男,硕士研究生,研究方向:生物活性物质的功能与毒理,E-mail:liyongchaoyx@126.com。;

张波(1962-),女,博士,教授,研究方向:生物活性物质的功能与毒理,E-mail:zhangbo_wl@buu.edu.cn。;

中图分类号: R285.5
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出版历程
- 收稿日期: 2016-06-16

Effects of Haematococcus pluvialis astaxanthin on diabetes mice for decreasing blood glucose and its mechanisms

Research Institute for Science and Technology of Functional Food,College of Arts and Science,Beijing Union University

摘要

摘要: 通过尾静脉注射四氧嘧啶（45⁵0 mg/kg BW iv）建立小鼠高血糖模型,研究雨生红球藻源虾青素（astaxanthin,ASX）对四氧嘧啶高血糖小鼠血糖的调节作用。分别以雨生红球藻源虾青素粉（虾青素含量为2%）25、100 mg/kg连续灌胃高血糖小鼠14 d,在末次灌胃后摘眼球取血测定血糖、胰岛素、SOD、GSH-Px的活性和MDA水平;肝、肾组织称重并测定SOD、GSH-Px的活性和MDA水平。结果表明,雨生红球藻源虾青素可缓解高血糖模型小鼠体重降低的趋势,减少饮水量和摄食量;雨生红球藻源虾青素可显著降低四氧嘧啶高血糖小鼠的血糖值（p<0.05）以及极显著提高血清中胰岛素的含量（p<0.01）,增强血清中的SOD（p<0.05）和GSH-Px（p<0.01）的活性,抑制了肾脏和肝脏中的MDA水平。结果表明,提高血清和肝肾组织的抗氧化能力,增加机体内的胰岛素水平可能是雨生红球藻源虾青素降血糖的机制之一。
- 雨生红球藻 /
- 虾青素 /
- 血糖 /
- 糖尿病 /
- 小鼠
Abstract: To explore effect of Haematococcus pluvialis astaxanthin to mice diabete for decreasing blood glucose and its mechanisms. Experimental diabete mice was induced by alloxan( ALX)( 45 ~ 50 mg / kg BW iv). With25 mg / kg and 100 mg / kg dose of Haematococcus pluvialis astaxanthin( 2%) for 14 d lavage alloxan diabete mice,the blood samples of mice were collected by orbit,blood glucose,insulin,SOD,GSH- Px activity and MDA level in the blood were measured.The liver and kidney were taken to weigh,SOD,GSH- Px activity and MDA level in the tissues were measured.The results showed that Haematococcus pluvialis astaxanthin could significantly( p < 0.05)inhibit diabete mice weight of reduction and return to normal,reduce( p < 0.01) water intake and diet intake and reduce( p < 0.01) high blood glucose levels of diabete mice and improve the ability of antioxidation,the mechanism of ASX in reducing blood glucose might be achieved by regulating the insulin.
- Haematococcus pluvialis /
- astaxanthin /
- blood glucos /
- diabetes /
- mice

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