Novel enzymolysis extraction method of soybean peptide powder with multifunctional characteristic

The invention provides a novel enzymolysis extraction method of soybean peptide powder with multifunctional characteristics. The novel enzymolysis extraction method comprises the following steps: (1) carrying out microfluidization treatment on soybean protein isolate; (2) synthesizing a protease composite material; (3) preparing a protease biological catalytic membrane; (4) deep enzymolysis in an enzyme membrane reactor; and (5) spray drying to prepare soybean peptide powder. The extraction method of the soybean peptide provided by the invention is high in efficiency, the soybean peptide can be recycled, and the prepared soybean peptide is high in yield, has excellent functional characteristics and has extremely high development and utilization values. 本发明提供了一种具有多功能特性的大豆肽粉的新型酶解提取法，包括以下步骤：(1)微流化处理大豆分离蛋白；(2)蛋白酶复合材料的合成；(3)蛋白酶生物催化膜的制备；(4)酶膜反应器深度酶解；(5)喷雾干燥制备大豆肽粉末。本发明所提供的大豆肽的提取方法效率高，可重复利用，且制备的大豆肽得率高并具有优良的功能特性，具有极高的开发和利用价值。