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Soybean protein isolate multistage extraction system and method

A soybean protein isolate and extraction technology, applied in the field of soybean protein isolate multi-stage extraction system, can solve the problem of high protein loss rate, achieve the effect of reducing protein content, reducing cost, and improving protein extraction efficiency

Inactive Publication Date: 2018-03-13
SHANDONG YUWANG ECOLOGY FOOD IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] For this reason, the technical problem to be solved by the present invention is to provide a soybean protein isolate multistage extraction system to solve the problem of high protein loss rate in the prior art

Method used

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  • Soybean protein isolate multistage extraction system and method

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Embodiment 1

[0038] The multi-stage extraction method of soybean protein isolate described in this embodiment, that is, adopt the above-mentioned multi-stage extraction system to realize the multi-stage extraction of low-temperature edible soybean meal, which specifically includes the following steps:

[0039] (1) Use low-temperature edible soybean meal as raw material, wherein cp≥54% and nsi≥84% of soybean meal, take 1.3 tons of low-temperature soybean meal, configure process water temperature at 35±3°C, and pH value of aqueous solution at 7±0.5, according to 8 The water-to-material ratio of 1 is added to the first-stage extraction tank 1 as the extract, and the dissolution and separation time is 50 ± 5 minutes. After testing, the soybean meal is diluted with water and dissolved so that the pH is 6.5 ± 0.5, bx 9.8±0.5 extract liquid;

[0040] (2) Grinding and shearing the extraction liquid into the balance tank 7 with the primary shear pump 8, and then entering the primary separator 4 for...

Embodiment 2

[0044] The multi-stage extraction method of soybean protein isolate described in this embodiment, that is, adopt the above-mentioned multi-stage extraction system to realize the multi-stage extraction of low-temperature edible soybean meal, which specifically includes the following steps:

[0045] (1) Use low-temperature edible soybean meal as raw material, wherein the cp≥54% and nsi≥84% of soybean meal, the amount of low-temperature soybean meal is 1.3 tons, the temperature of the process water is 35±3°C, the pH value of the aqueous solution is 7±0.5, according to 6 The water-to-material ratio of 1 is added to the first-stage extraction tank 1 as the extract, and the dissolution and separation time is 50 ± 5 minutes. After testing, the soybean meal is diluted with water and dissolved so that the pH is 6.5 ± 0.5, bx 9.8±0.5 extract liquid;

[0046] (2) Grinding and shearing the extraction liquid into the balance tank 7 with the primary shear pump 8, and then entering the prima...

Embodiment 3

[0050] The multi-stage extraction method of soybean protein isolate described in this embodiment, that is, adopt the above-mentioned multi-stage extraction system to realize the multi-stage extraction of low-temperature edible soybean meal, which specifically includes the following steps:

[0051] (1) Use low-temperature edible soybean meal as raw material, wherein cp≥54% and nsi≥84% of soybean meal, the amount of low-temperature soybean meal is 1.3 tons, the temperature of the process water is 35±3°C, and the pH value of the aqueous solution is 7±0.5, according to 10 The water-to-material ratio of 1 is added to the first-stage extraction tank 1 as the extract, and the dissolution and separation time is 50 ± 5 minutes. After testing, the soybean meal is diluted with water and dissolved so that the pH is 6.5 ± 0.5, bx 9.8±0.5 extract liquid;

[0052] (2) Grinding and shearing the extraction liquid into the balance tank 7 with the primary shear pump 8, and then entering the prim...

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Abstract

The invention belongs to the technical field of soybean protein isolate production, and particularly relates to a soybean protein isolate multistage extraction system and a soybean protein isolate multistage extraction method. The soybean protein isolate multistage extraction system adopts a three-stage extraction mode, wherein water is taken as extraction liquid in a first-stage extraction tank and second-stage extraction tank, and alkali liquor is adopted in a third-stage extraction tank to treat bean dregs, so that protein in the extracted bean dregs can be maximally dissolved out, the protein content in bean dreg wastes is reduced, and waste is reduced. Through detection, the soybean protein isolate multistage extraction system provided by the invention can obviously reduce the residual protein content in the bean dregs, and the protein content of the bean dregs treated by the processes in embodiments 1-3 of the invention is reduced to 10-11%, compared with the protein content of 15% or more of the bean dregs obtained by an original single-stage extraction process. It can be seen that the system and the method provided by the invention are beneficial to improving the protein extraction efficiency of soybean protein isolate and reducing the cost.

Description

technical field [0001] The invention belongs to the technical field of soybean protein isolate production, and in particular relates to a soybean protein isolate multistage extraction system and method. Background technique [0002] Soybean Protein Isolate is a full-price protein food additive produced from low-temperature desolvated soybean meal. Soybean protein is a high-molecular organic polymer composed of a series of amino acids combined through peptide bonds. It is mainly composed of albumin and globulin, of which albumin accounts for about 5% and globulin accounts for about 90%. The protein content of soybean protein isolate is more than 90%, there are nearly 20 kinds of amino acids, and it contains a variety of essential amino acids for human body. Soy protein isolate is rich in nutrients and does not contain cholesterol. It is one of the few varieties of vegetable protein that can replace animal protein and become a beneficial supplement to animal protein. [0003...

Claims

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Application Information

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IPC IPC(8): B01D11/02B04B5/10A23J1/14
CPCA23J1/14B01D11/0284B01D11/0288B04B5/10
Inventor 刘汝萃范书琴孙文龙李国新
Owner SHANDONG YUWANG ECOLOGY FOOD IND