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    • 8. 发明申请
    • IMPROVED PRODUCTION OF PROTEIN SOLUTIONS FROM SOY
    • 改进从大豆生产蛋白质溶液
    • WO2012021980A1
    • 2012-02-23
    • PCT/CA2011/000942
    • 2011-08-18
    • BURCON NUTRASCIENCE (MB) CORP.GREEN, Brent E.SCHWEIZER, Martin
    • GREEN, Brent E.SCHWEIZER, Martin
    • A23J1/14A23J3/16
    • C07K1/145A23J1/14A23J3/16A23L2/66A23L33/185A23V2002/00A23V2250/5488
    • Soy protein products which can be reconstituted to provide an aqueous acidic solution having a preferred level of clarity are produced by extracting a soy protein source with an aqueous calcium chloride solution to cause solubilization of soy protein from the protein source and separating the resulting aqueous soy protein solution from residual soy protein source. Either, within about 20 minutes of separation step, the aqueous soy protein solution is diluted to a conductivity of less than about 90 mS and the pH of the aqueous soy protein solution is adjusted to about 1.5 to about 4.4 to produce an acidified soy protein solution having an absorbance of visible light at 600 nm (A600) of less than about 0.055, or, within about 40 minutes of the separation step, the aqueous soy protein solution is diluted to a conductivity of less than about 90 mS, the pH of the aqueous soy protein solution is adjusted to about 1.5 to about 4.4, the acidified soy protein solution is heat treated at a temperature of about 70° to about 160°C for about 10 seconds to about 60 minutes to produce an acidified soy protein solution having an absorbance of visible light at 600 nm (A600) of less than about 0.055. The resulting acidified soy protein solution may be directly dried or further processed by concentration and diafiltration. Each of the steps of the process preferably is effected at a temperature of about 50° to about 60°C.
    • 通过用氯化钙水溶液萃取大豆蛋白源,可以重构以提供具有优选澄清度的酸性水溶液的大豆蛋白质产物,以引起大豆蛋白从蛋白质来源的溶解并分离所得的大豆蛋白水解蛋白 残留大豆蛋白质来源的溶液。 在分离步骤的约20分钟内,将大豆蛋白水溶液稀释至小于约90mS的电导率,并将大豆蛋白水溶液的pH调节至约1.5至约4.4,以产生酸化的大豆蛋白溶液 具有小于约0.055的600nm(A600)的可见光的吸光度,或者在分离步骤的约40分钟内,将大豆蛋白水溶液稀释至小于约90mS的电导率, 将大豆蛋白水溶液调节至约1.5至约4.4,将酸化的大豆蛋白溶液在约70℃至约160℃的温度下热处理约10秒至约60分钟以产生酸化的大豆蛋白溶液,其具有 在600nm(A600)的可见光的吸光度小于约0.055。 所得酸化大豆蛋白溶液可直接干燥或通过浓缩和渗滤进一步加工。 该方法的每个步骤优选在约50℃至约60℃的温度下进行。