Preparation method of wheat bran cellulose compounded soybean protein isolate gel
A technology for soybean protein isolate and wheat bran, which is applied in the field of preparation of soybean protein isolate gel, can solve problems such as waste, and achieve the effects of controllable process, good elasticity and good water retention.
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Embodiment 1
[0037] A kind of preparation method of wheat bran cellulose compound soybean protein isolate gel is as follows:
[0038] 1) Preparation of wheat bran cellulose stock solution
[0039] The wheat bran was rinsed with tap water, dried in a blast drying oven at 60°C for 24 hours, pulverized by a high-speed multifunctional pulverizer, and passed through a 40-mesh standard inspection sieve. -Amylase treatment, drying in a blast drying oven at 60°C for 24 hours, followed by alkali treatment and bleaching treatment in turn, the resulting white product was washed with deionized water to pH 7.0, and configured as wheat bran cellulose with a mass concentration of 5% stock solution;
[0040] Ethanol treatment: wheat bran powder and absolute ethanol were mixed at a solid-liquid ratio of 1:20, and magnetically stirred at 25°C for 12h.
[0041] α-amylase treatment: the wheat bran powder after natural air-drying treated with ethanol was mixed with 0.6% (w / v) α-amylase solution at a ratio of...
Embodiment 2
[0049] A kind of preparation method of wheat bran cellulose compound soybean protein isolate gel is as follows:
[0050] 1) Preparation of wheat bran cellulose stock solution
[0051] The wheat bran was rinsed with tap water, dried in a blast drying oven at 60°C for 20 hours, pulverized by a high-speed multifunctional pulverizer, and passed through a 40-mesh standard inspection sieve. -Amylase treatment, drying in a blast drying oven at 60°C for 20 hours, followed by alkali treatment and bleaching treatment in turn, the resulting white product was washed with deionized water to pH 6.5, and configured as wheat bran cellulose with a mass concentration of 5% stock solution;
[0052] Ethanol treatment: mix wheat bran powder and absolute ethanol at a ratio of 1:20 to liquid, and stir magnetically at 25°C for 10-12 hours.
[0053] α-amylase treatment: the wheat bran powder treated with ethanol and naturally air-dried was mixed with 0.6% (w / v) α-amylase solution at a ratio of 1:20, a...
Embodiment 3
[0061] A kind of preparation method of wheat bran cellulose compound soybean protein isolate gel is as follows:
[0062] 1) Preparation of wheat bran cellulose stock solution
[0063] The wheat bran was rinsed with tap water, dried in a blast drying oven at 60°C for 22 hours, pulverized by a high-speed multifunctional pulverizer, and passed through a 40-mesh standard inspection sieve. -Amylase treatment, drying in a blast drying oven at 60°C for 23 hours, followed by alkali treatment and bleaching treatment in turn, the resulting white product was washed with deionized water to pH 7.0, and configured as wheat bran cellulose with a mass concentration of 5% stock solution;
[0064] Ethanol treatment: wheat bran powder and absolute ethanol were mixed at a material-to-liquid ratio of 1:20, and magnetically stirred at 25°C for 11 hours.
[0065] α-amylase treatment: the wheat bran powder after ethanol treatment and natural air-drying was mixed with 0.6% (w / v) α-amylase solution a...
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