大豆蛋白复合酶解法研究

目的]研究大豆蛋白复合酶解法的最佳工艺条件。方法]以大豆粉为原料,采用复合酶解法研究了大豆蛋白水解度随酶解时间、加酶量、复合酶加酶间隔时间等的变化规律。结果]大豆蛋白复合酶解法的最佳工艺条件为温度45℃,pH7.5,液固比7∶1,加酶量各0.2 g,反应时间8 h,间隔加酶时间3 h。结论]此工艺对大豆蛋白的工业化生产具有积极的参考价值。

Study on the Compound Enzymatic Hydrolysis of Soybean Protein

Objective] The research aimed to study the optimum technological condition of compound enzymatic hydrolysis of soybean protein.Method] The soybean meal was the material,and the compound enzymatic hydrolysis was used to study the variation rule of soybean protein hydrolysis degree as the hydrolysis time,enzyme-added amount,interval enzyme-added time of compound enzyme and so on.Result] The optimum technological condition of compound enzymatic hydrolysis of soybean protein was that the temperature 45 ℃,pH 7.5,liquid solid ratio 7∶1,enzyme-added amount 0.2 g,reaction time 8 h and interval enzyme-added time 3 h.Conclusion] The technics had the positive reference value for the industrial production of soybean protein.