食品科学 ›› 2009, Vol. 30 ›› Issue (19): 279-282.doi: 10.7506/spkx1002-6630-200919065

• 营养卫生 • 上一篇    下一篇

多穗柯根皮苷水杨酸酯抗氧化和降血糖活性研究

董华强,李 梅,吴剑峰,刘福来,马日安   

  1. 佛山科学技术学院食品科学系
  • 收稿日期:2008-10-31 出版日期:2009-10-01 发布日期:2010-12-29
  • 通讯作者: 董华强 E-mail:huaqiangdong@163.com
  • 基金资助:

    广东省自然科学基金项目(8152800001000023)

Antioxidant and Hypoglycemic Activities of Phloridzin-6"-O-salicylate

DONG Hua-qiang,LI Mei,WU Jian-feng,LIU Fu-lai,MA Ri-an   

  1. Department of Food Science, Foshan University, Fushan 528231, China
  • Received:2008-10-31 Online:2009-10-01 Published:2010-12-29
  • Contact: DONG Hua-qiang, E-mail:huaqiangdong@163.com

摘要:

目的:评价新化合物多穗柯根皮苷水杨酸酯的生物活性。方法:用根皮苷水杨酸酯灌胃处理糖尿病小鼠模型,以二甲双胍为阳性对照,检测空腹、餐后血糖水平和糖耐量,并检测其清除2,2'-diphenyl-1-picrylhydrazyl(DPPH)自由基的能力。结果:根皮苷水杨酸酯清除DPPH·的IC50 为113mg/L,明显低于根皮苷的IC50(163mg/L);根皮苷水杨酸酯在控制糖尿病小鼠空腹、餐后血糖水平和糖耐量方面都比根皮苷有更好的效果。结论:经水杨酸酯化修饰后的根皮苷的降血糖效果和抗氧化性得到了改善。

关键词: 根皮苷水杨酸酯, 糖尿病, 降血糖, 抗氧化, DPPH 自由基

Abstract:

Objective: To evaluate bioactivity of the new compound, phloridzin-6"-O-salicylate. Methods: Diabetic mice were orally administered with phloridzin-6"-O-salicylate and methformin was used as a positive control. Fasting and non-fasting blood glucose levels, glucose tolerance, and 2,2’-diphenyl-1-picrylhydrazyl free radical (DPPH·) scavenging capability were detected. Results: IC50 of phloridzin-6"-O-salicylate for DPPH· scavenging was 113 mg/L, which was significantly lower than that of phloridzin (IC50 = 163 mg/L). Moreover, phloridzin-6"-O-salicylate had better effects on the control of fasting and nonfasting blood glucose levels and glucose tolerance in diabetic mice than phloridzin. Conclusion: Hypoglycemic and antioxidant activities of phloridzin modified by salicylate esterification were significantly improved.

Key words: phloridzin-6"-O-salicylate, diabetes, hypoglycemia, antioxidation, DPPH free radical

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