Preparation method of raw bean curd
A technology of soybean and soaking liquid, applied in dairy products, cheese substitutes, applications, etc., can solve the problems of restricting the development of soybean product processing enterprises, curbing the sales of tofu products, and not easy to absorb salt, so as to improve the fragile and non-absorbable salt , expand sales, improve the effect of product taste
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[0013] A method for preparing rotting, comprising the steps of:
[0014] a Select soybeans, soak them in the soaking solution at 22-28°C, and soak for 8-13 hours. The volume concentration is 0.1%-0.3%, and then adjust the pH to 5.5-6.0;
[0015] b Put the soaked soybeans in step a into the measuring cylinder in the refiner, add hot water at 90-95°C, the ratio of soybeans to hot water is 1:4-6 by weight, start the refiner for refining, and get Soymilk juice; the particle size of soymilk juice is not greater than 3 μm, and it is filtered through a 60-80 mesh sieve;
[0016] c. Boil the soybean milk juice filtered in step b until boiling. After boiling for 3-5 minutes, stop heating and cool to no higher than 50°C. 30°C, add glucono-δ-lactone with a weight volume concentration of 0.18%-0.25%, mix evenly to obtain a mixed solution, add the mixed solution into a wooden frame with a grid covered with cloth, and heat it at a temperature of 90 Heat preservation and solidification in...
Embodiment 1
[0020] a Select fresh soybeans with bright color, full grain, no moth and mildew, and soak them in the soaking solution at 22°C for 8 hours; the soaking solution is made by adding chitosan with a volume concentration of 0.5%-1. % of acetic acid aqueous solution, adjust the weight volume concentration to 0.1%-0.3%, and then adjust the pH to 5.5-6.0;
[0021] b Put the soaked soybeans in step a into the measuring cylinder of the refiner, add hot water at 90°C, the ratio of soybeans to hot water is 1:4-6 by weight, start the refiner to refine, and get Soymilk juice; the particle size of soymilk juice is not greater than 3 μm, and it is filtered through a 60-80 mesh sieve;
[0022] c. Boil the soybean milk juice filtered in step b until boiling. After boiling for 3 minutes, stop heating and cool down to no higher than 50°C. Glucono-δ-lactone with a weight volume concentration of 0.18% is mixed evenly to obtain a mixed solution, and the mixed solution is added into a covered woode...
Embodiment 2
[0026] a Select fresh soybeans with bright color, full grains, no insects and no mildew, soak them in the soaking solution at 25°C for 10 hours; the soaking solution is to add chitosan with a volume concentration of 0.5% Dissolve in 1.0% acetic acid aqueous solution, adjust the weight volume concentration to 0.1%-0.3%, and then adjust the pH to 5.5-6.0;
[0027] b Put the soaked soybeans in step a into the measuring cylinder in the refiner, and add hot water at 95°C, the ratio of soybeans to hot water is 1:4-6 by weight, start the refiner to refine, and obtain soybean milk juice ; The particle size of the soybean milk juice is not greater than 3 μm, and it is filtered with a 60-80 mesh sieve;
[0028] c. Boil the soybean milk juice filtered in step b until boiling. After boiling for 5 minutes, stop heating and cool to no higher than 50°C, then boil until boiling, and after boiling for 8 minutes, cool to no higher than 30°C. Add Glucono-δ-lactone with a weight-volume concentra...
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