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聚磷酸钠对大豆分离蛋白的修饰研究 被引量:5

Research on the Phosphorylation of Soy Protein Isolate
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摘要 采用多聚磷酸钠对大豆分离蛋白进行磷酸化修饰,研究磷酸化反应的工艺条件及改性后大豆分离蛋白几种功能特性的变化。结果表明:当大豆分离蛋白4%、三聚磷酸钠9%、反应初始pH9、反应时间3h时,磷酸化程度最大;磷酸化后的大豆分离蛋白的溶解性、乳化性以及粘度都有不同程度的改善。 This paper was related to the phosphorylation of soy protein isolate with sodium tripoly phosphate and the best condition of phosphorylation. The changes in functional properties (aqueous solubility, emulsification properties and viscosity) were also determined. The results showed that the best phosphorylation condition was 4% of soy protein isolate, 9% of STP, pH 9 and 3 h. The solubility, emulsifying properties and viscosity of SPI changed in different degrees.
出处 《中国食品学报》 EI CAS CSCD 2006年第1期133-137,共5页 Journal of Chinese Institute Of Food Science and Technology
基金 天津市自然科学基金资助项目(No.043611911) 国家"十五"重大专项子课题(No.2001BA501A29) 天津市高等学校科技发展基金项目(No.2004BA02)
关键词 大豆分离蛋白 磷酸化 功能特性 Soy protein isolate (SPI) Phosphorylation Functionality
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参考文献11

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