食品科学 ›› 2005, Vol. 26 ›› Issue (6): 30-34.

• 基础研究 • 上一篇    下一篇

酪蛋白磷酸肽、木糖醇等成分对乳铁蛋白抗大肠杆菌活性影响

 胡志和, 庞广昌, 陈庆森, 阎亚丽   

  1. 天津市食品生物技术重点实验室天津商学院食品科学与工程系
  • 出版日期:2005-06-15 发布日期:2011-09-19

Activity Effects of CPPs and Xylitol and other Material on Lactoferrin Against E.coli

 HU  Zhi-He, PANG  Guang-Chang, CHEN  Qing-Sen, YAN  Ya-Li   

  1. The Tianjin Key Laboratory of Food Biotechnology,Department of Food Science and Engineering, Tianjin University of Commerce
  • Online:2005-06-15 Published:2011-09-19

摘要: 乳铁蛋白是一种铁结合糖蛋白,具有多种生物活性功能。本文对酪蛋白磷酸肽(CPPs)、木糖醇、VC、低聚异麦芽糖等功能性食品常用成分对乳铁蛋白的抗大肠杆菌性能的影响进行研究。在研究过程中,通过对这些物质在不同浓度下对乳铁蛋白最小抑菌浓度影响变化比较,揭示了CPPs、木糖醇、VC、低聚异麦芽糖等成分对乳铁蛋白的抑制大肠杆菌作用的影响表观现象,结果表明木糖醇及VC对乳铁蛋白的抑菌作用有明显的增强作用。而CPPs和低聚异麦芽糖对乳铁蛋白的抑菌作用有减弱作用。

关键词: 乳铁蛋白, 酪蛋白磷酸肽, 木糖醇, 维生素C, 大肠杆菌

Abstract: Lactoferrin is an iron-binding glycoprotein and has various biological functions. The activity effects of casein phosphopeptides(CPPs), xylitol, vitamin C and isomaltooligosaccharide(IMO-500) on lactoferrin against were studied in this E.coli paper. The study revealed some phenomena affecting inhihition casein phosphopeptides(CPPs), xylitol, vitamin C and Isomaltooligosaccharide(IMO-500) on lactoferrin inhibition of E.coli by comparing changes of minimum inhibit concentration (MIC) of lactoferrin to E.coli with and without those materials. The study showed that xylitol and VC could enhance the activity of lactoferrin to inhibit E.coli, while CPPs and isomaltooligosaccharide(IMO-500) could reduce the activity of lactoferrin to inhibit . E.coli

Key words: lactoferrin, casein phosphopeptides(CPPs), xylitol, vitamin C, E.coli