Preparation method of walnut polypeptide
A technology of walnut polypeptide and walnut cake, which is applied in the field of food processing, can solve the problems of waste discharge polluting the environment and low added value, and achieve the effects of low molecular weight, improved utilization rate, and good product stability
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[0027] A preparation method of walnut polypeptide, the method comprises the steps of:
[0028] a. Processing of raw materials: crush the defatted walnut cake with a pulverizer and pass through a 40-mesh sieve to obtain crushed walnut cake, then mix the crushed walnut cake and water evenly in a ratio of 1:4 by weight to obtain walnut cake suspension.
[0029] b. Homogenization of the suspension: the walnut cake suspension is subjected to colloidal grinding and then homogenized by a high-pressure homogenizer to obtain a walnut cake mixture, and the homogenization pressure is 30Mpa.
[0030] c, heat preservation enzymatic hydrolysis: add the mixed enzyme liquid of AlcaLase enzyme and papain to the walnut cake mixed liquid,
[0031] The volume ratio of AlcaLase enzyme and papain in the mixed enzyme solution is AlcaLase enzyme: papain = 1:1. The amount of mixed enzyme solution added is 0.05% of the mass of the walnut cake mixed solution. Value 7.0, time 8 hours, made walnut cake ...
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