食品科学 ›› 2011, Vol. 32 ›› Issue (13): 122-124.doi: 10.7506/spkx1002-6630-201113028

• 基础研究 • 上一篇    下一篇

甘薯淀粉磷酸酯交联反应动力学

马龙,郑桂富,许晖,张斌   

  1. 蚌埠学院生物与食品工程系
  • 出版日期:2011-07-15 发布日期:2011-07-02
  • 基金资助:
    安徽省教育厅高校自然科学研究项目(KJ2009B070)

Kinetic Study on the Preparation of Sweet Potato Starch Phosphoric Esters

MA Long,ZHENG Gui-fu,XU Hui,ZHANG Bin   

  1. Department of Biotechnology and Food Engineering, Bengbu College, Bengbu 233030, China
  • Online:2011-07-15 Published:2011-07-02

摘要: 研究制备甘薯淀粉磷酸酯的反应动力学过程,建立三偏磷酸钠浓度与反应温度、反应时间之间的动力学模型:cA=c0e-1.18×1013×e-1.12×104×-×t。结果表明:该模型预测值与实测值吻合良好。

关键词: 甘薯淀粉磷酸酯, 变性淀粉, 交联反应, 反应动力学

Abstract: The reaction kinetics for the preparation of sweet potato starch phosphoric esters was investigated in this study. A kinetic model that describes sodium trimetaphosphate concentration (cA) against reaction time (t) and temperature (T) was obtained as follows: cA=c0e-1.18×1013×e-1.12×104×-×t, where c0 was initial sodium trimetaphosphate concentration. The predicted values from the model were in good agreement with the experimental values.

Key words: phosphoric ester of sweet potato starch, modified starch, cross-linking reaction, kinetics

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