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Study of Emulsifying Properties of Soy Protein Isolates-Guar Gum Hydrolytes Conjugates Made through Maillard Reaction
Author(s): 
Pages: 25-28,31
Year: Issue:  10
Journal: FOOD AND FERMENTATION INDUSTRIES

Keyword:  Maillard反应大豆分离蛋白瓜尔豆胶乳化特性;
Abstract: 研究了不同水解时间的瓜尔豆胶对蛋白质-多糖Maillard反应共聚物的乳化特性的影响及不同水相条件下共聚物与酪朊酸钠乳化特性的差异.研究表明,瓜尔豆胶的酸水解时间对大豆分离蛋白-多糖共聚物的乳化活性和乳化稳定性都有明显的影响.水解40min的瓜尔豆胶与大豆分离蛋白反应10 d的共聚物具有优良的乳化性能;在0.3mol/LNaCl和pH 4.0的酸性条件下,共聚物的乳化活性和乳化稳定性都明显高于商品乳化剂酪朊酸钠;在90℃热处理60 min后其乳化活性和乳化稳定性仍接近未经热处理时的酪朊酸钠的乳化活性和稳定性.该共聚物作为安全高效的天然高分子食品乳化剂具有广阔的应用前景.
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