食品科学 ›› 2007, Vol. 28 ›› Issue (11): 47-50.

• 基础研究 • 上一篇    下一篇

交联改性对多孔淀粉的性质影响研究

 徐忠, 刘明丽, 张海华   

  1. 哈尔滨商业大学食品工程学院; 哈尔滨商业大学食品工程学院 黑龙江哈尔滨150076; 黑龙江哈尔滨150076;
  • 出版日期:2007-11-15 发布日期:2011-11-22

Study on Preparation and Properties of Esterified Cross-linked Porous Starch

 XU  Zhong, LIU  Ming-Li, ZHANG  Hai-Hua   

  1. College of Food Engineering, Harbin University of Commerce, Harbin 150076, China
  • Online:2007-11-15 Published:2011-11-22

摘要: 以玉米多孔淀粉为原料,三氯氧磷为交联剂制备酯化交联多孔淀粉,利用扫描电子显微镜、布拉班德黏度仪、X-射线衍射等分析仪器对原淀粉、多孔淀粉和酯化交联多孔淀粉的理化性质、流变学性质和微观结构进行分析比较研究。结果表明,经交联处理后的交联多孔淀粉仍是A型图谱,晶形未发生改变,交联多孔淀粉的吸水率、吸油率与原淀粉和多孔淀粉相比有较大提高,冻融稳定性、糊稳定性优于原淀粉和多孔淀粉,交联改性提高了多孔淀粉的结构性能。

关键词: 交联多孔淀粉, 理化性质, 流变学性质, 微观结构

Abstract: The cross-linked porous starch was prepared from corn porous starch by using phosphorus oxychloride as cross- linking agents. By SEM, Brabender Viscograph and X-ray diffraction methods, the physical-chemical properties, rheology properties, microstructure properties of starch, porous starch and esterified cross-linked porous starch were analysed. The results showed that the cross-linked porous starch remains the same as in A chart and the crystal form does not change, while the absorption capability, stability of freeze thawing and stability of starch paste are all improved. It indicated that the cross-linked porous process is feasible for improving the starch quality.

Key words: esterified cross-linked porous starch, physical-chemical properties, rheology properties, microstructure properties