Injectable soy protein isolate and preparation method thereof
The technology of soybean protein isolate and protein isolate is applied in the field of injectable soybean protein isolate and its preparation, and can solve the problems of slow production process, increasing the cost of soybean protein isolate, and being unable to meet industrialized production.
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Embodiment 1
[0064] 1600 kilograms of low-temperature defatted soybean meal raw materials and water at 48° C. are formulated into the first mixture in the leaching tank according to the weight ratio of water and raw materials of 9: 1, and the pH of the first mixture is adjusted by sodium hydroxide with a concentration of 29%-30%. Adjust it to 7.2-7.6, stir the first mixture adjusted by pH at a constant speed, keep it for 20 minutes, and separate the first mixture by a separator to obtain 10300 kg of protein liquid extracted once in the liquid phase and 3020 kg of bean dregs extracted once in the solid phase. The main components of the liquid phase are soluble protein, carbohydrates and salt, and the concentration of the protein in the first-time leaching protein solution is 7-8% (weight ratio); the first-time leaching of bean dregs and water at 48 ° C are based on the weight ratio of water and first-time leaching of bean dregs It is 7: 1 and is formulated into the second mixture in the leac...
Embodiment 2
[0066] 1600 kilograms of low-temperature defatted soybean meal raw materials and water at 48 ° C are formulated into the first mixture in the leaching tank according to the weight ratio of water and raw materials of 7: 1, and the pH of the first mixture is adjusted by sodium hydroxide with a concentration of 29%-30%. Adjust it to 7.2-7.6, stir the first mixture adjusted by pH at a constant speed, keep it for 28 minutes, and separate the first mixture by a separator to obtain 10230 kg of protein liquid extracted in the liquid phase and 3120 kg of bean dregs extracted in the solid phase. The main components of the liquid phase are soluble protein, carbohydrates and salt, and the concentration of the protein in the first-time leaching protein solution is 7.5-8.5% (weight ratio); the first-time leaching of bean dregs and water at 48 ° C are based on the weight ratio of water to the first-time leaching of bean dregs It is 5: 1 and is formulated into the second mixture in the leachin...
Embodiment 3
[0068]1600 kilograms of low-temperature defatted soybean meal raw materials and water at 48° C. are formulated into the first mixture in the leaching tank according to the weight ratio of water and raw materials of 9: 1, and the pH of the first mixture is adjusted by sodium hydroxide with a concentration of 29%-30%. Adjust it to 7.2-7.6, stir the first mixture adjusted by pH at a constant speed, keep it for 20 minutes, and separate the first mixture by a separator to obtain 10300 kg of protein liquid extracted once in the liquid phase and 3020 kg of bean dregs extracted once in the solid phase. The main components of the liquid phase are soluble protein, carbohydrates and salt, and the concentration of the protein in the first-time leaching protein solution is 7-8% (weight ratio); the first-time leaching of bean dregs and water at 48 ° C are based on the weight ratio of water and first-time leaching of bean dregs It is 7: 1 and is formulated into the second mixture in the leach...
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