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Preparation process of high water and oil absorption soybean protein concentrate by using multi step modification technology

The technology of soybean protein concentrate and high water absorption is applied in the field of preparation of soybean protein concentrate, which can solve the problems of short action time, low cost of physical modification method, little influence on product nutritional properties, etc., and achieves low odor and high oil absorption. , the effect of high water absorption

Inactive Publication Date: 2005-08-10
北京硕泰生物技术有限责任公司
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the most researched method is the chemical modification method, but it is difficult to be applied in a large scale in industry due to the restriction of safety regulations, while the physical modification method has low cost, no side effects, short action time and product nutritional performance Small impact and other advantages, with good application prospects

Method used

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  • Preparation process of high water and oil absorption soybean protein concentrate by using multi step modification technology

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Experimental program
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Effect test

Embodiment 1

[0017] A certain quality of concentrated soybean protein and process water are mixed and hydrated, and the concentration of the concentrated soybean protein solution is kept at 10%, and the solution is pumped into an autoclave for high-pressure treatment, and the pressure is raised to 200MPa within 5 minutes, and kept for 30 minutes , relieve the pressure. Pump the protein solution after high-pressure treatment into the reaction tank, adjust the pH value to 6, and add 0.05% SDS solution and 0.25% Na 2 SO 3 Solution, after reacting for 20 minutes, pump it into the temporary storage tank, raise the temperature to 80°C, pass in a small amount of steam, and the protein solution after the heat and humidity treatment enters the high-shear homogenizer for shearing, extrusion and grinding to keep the rotor The rotating speed is 8000rpm, and the gap between the rotor and the stator is 0.2mm. The protein slurry from the homogenizer enters the flash tank to dry to remove part of the mo...

Embodiment 2

[0019] A certain quality of concentrated soybean protein and process water are mixed and hydrated, and the concentration of the concentrated soybean protein solution is kept at 11%, and the solution is pumped into an autoclave for high-pressure treatment, and the pressure is raised to 300MPa within 5 minutes, and kept for 20 minutes , relieve the pressure. Pump the protein solution after high-pressure treatment into the reaction tank, adjust the pH value to 6, and add 0.25% SDS solution and 0.20% Na 2 SO 3 Solution, after reacting for 30 minutes, pump it into the temporary storage tank, raise the temperature to 80°C, pass a small amount of steam, and the protein solution after the heat and humidity treatment enters the high-shear homogenizer for shearing, extrusion and grinding to keep the rotor The rotation speed is 10000rpm, and the gap between the rotor and the stator is 0.2mm. The protein slurry from the homogenizer enters the flash tank to dry to remove part of the mois...

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Abstract

A process for preparing the concentrated soya protein with high water and oil absorption includes such steps as providing concentrated soya protein as raw material, adding additive, high-temp homogenizing, and high-pressure, -moisture and -temp shearing.

Description

technical field [0001] The invention relates to a process for preparing concentrated soybean protein, in particular to a process for preparing concentrated soybean protein with high water absorption and oil absorption by a multi-step modification technique. Background technique [0002] Soy protein products mainly include soybean protein powder, soybean protein concentrate, and soybean protein isolate. Soy protein concentrate is a product with a protein content between soybean protein powder and soybean protein isolate. The advantage of low price of protein isolate. There are three main production methods of soybean protein concentrate: ethanol dipping method, dilute acid dipping method and hot water dipping method. The alcohol dipping process has no sewage discharge and avoids environmental pollution; the by-products can be comprehensively utilized and further processed into high value-added products. Products: The product has the characteristics of light flavor and light ...

Claims

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Application Information

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IPC IPC(8): C07K14/415
Inventor 温光源胡小中
Owner 北京硕泰生物技术有限责任公司
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