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Soybean oligopeptide powder and preparation method thereof

A soybean oligopeptide and powder technology, applied in food science and other directions, can solve problems such as low health care function, achieve good physiological activity, good absorption effect, and prevent the generation of a large number of free amino acids.

Pending Publication Date: 2020-05-29
江苏天美健大自然生物工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the existing health products of soybean oligopeptides, the proportion of soybean oligopeptides with a molecular weight lower than 1000Da is less than 80%, and the health care function is low, or some of them cannot lower blood fat and cholesterol, lower blood pressure, promote Physiological functions such as mineral absorption and fat metabolism, enhancing physical fitness of athletes

Method used

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  • Soybean oligopeptide powder and preparation method thereof
  • Soybean oligopeptide powder and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A soybean oligopeptide powder, comprising the following raw materials in parts by mass:

[0029] Soy oligopeptide 88%-95%

[0030] Stachyose 4%-10%

[0031] Glycine 0.7-1.4%

[0032] Aspartame 0.3-0.6%.

[0033] The preparation method of soybean oligopeptide powder comprises the steps:

[0034] Step 1, dispersion and hydration of soybean protein isolate powder: the soybean protein isolate powder is prepared as protein slurry with deionized water, and the soybean protein isolate slurry is dispersed and hydrated by shearing;

[0035] Step 2, enzymatic hydrolysis while ultrafiltration: adjust the pH value of the protein slurry to 8-9, add a compound protease equivalent to 1-4% of the mass of soybean protein isolate powder, stir and hydrolyze at 50°C-55°C for 3-4h, the whole enzyme The solution process is carried out in a stirred ultrafiltration device, the cut-off flow of the filter membrane in the stirred ultrafiltration device is above 1000Da, and small molecules wit...

Embodiment 2

[0041] A soybean oligopeptide powder, comprising the following raw materials in parts by mass:

[0042] Soy Oligopeptides 90%

[0043] Stachyose 9%

[0044] Glycine 0.7%

[0045] Aspartame 0.3%.

[0046] The preparation method of soybean oligopeptide powder comprises the steps:

[0047] Step 1, dispersion and hydration of soybean protein isolate powder: the soybean protein isolate powder is prepared as protein slurry with deionized water, and the soybean protein isolate slurry is dispersed and hydrated by shearing;

[0048] Step 2, enzymatic hydrolysis while ultrafiltration: adjust the pH value of the protein slurry to 8-9, add a compound protease equivalent to 1-4% of the mass of soybean protein isolate powder, stir and hydrolyze at 50°C-55°C for 3-4h, the whole enzyme The solution process is carried out in a stirred ultrafiltration device, the cut-off flow of the filter membrane in the stirred ultrafiltration device is above 1000Da, and small molecules with a molecular w...

Embodiment 3

[0054] A soybean oligopeptide powder, comprising the following raw materials in parts by mass:

[0055] Soy Oligopeptides 92%

[0056] Stachyose 6%

[0057] Glycine 1.2%

[0058] Aspartame 0.6%.

[0059] The preparation method of soybean oligopeptide powder comprises the steps:

[0060] Step 1, dispersion and hydration of soybean protein isolate powder: the soybean protein isolate powder is prepared as protein slurry with deionized water, and the soybean protein isolate slurry is dispersed and hydrated by shearing;

[0061] Step 2, enzymatic hydrolysis while ultrafiltration: adjust the pH value of the protein slurry to 8-9, add a compound protease equivalent to 1-4% of the mass of soybean protein isolate powder, stir and hydrolyze at 50°C-55°C for 3-4h, the whole enzyme The solution process is carried out in a stirred ultrafiltration device, the cut-off flow of the filter membrane in the stirred ultrafiltration device is above 1000Da, and small molecules with a molecular w...

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Abstract

The invention relates to soybean oligopeptide powder. The soybean oligopeptide powder comprises the following raw materials in parts by mass: 88-95% of soybean oligopeptides, 4-10% of stachyose, 0.7-1.4% of glycine, and 0.3-0.6% of aspartame. A preparation method of the soybean oligopeptide powder comprises the following steps: step 1, dispersing and hydrolyzing soybean protein isolate powder, namely blending the soybean protein isolate powder with deionized water so as to obtain protein pulp, and carrying out shearing so as to have the protein pulp dispersed and hydrated; step 2, carrying outultra-filtration while performing enzymatic hydrolysis, namely regulating the pH value of the hydrolyzed protein pulp to 8-9, adding compound protease of which the mass is equivalent to 1-4% of the mass of the soybean protein isolate powder, and carrying out enzymatic hydrolysis by performing agitation at 50-55 DEG C for 3-4 h, wherein the whole enzymatic hydrolysis process is carried in an agitation-ultrafiltration device; and step 3, obtaining a filtrate subjected to the agitation-ultrafiltration after completion of enzymatic hydrolysis, adding the stachyose, the glycine and the aspartame into the filtrate, carrying out uniform stirring, and carrying out concentrating, sterilizing and spray-drying so as to obtain the soybean oligopeptide powder. The soybean oligopeptide powder preparedby the preparation method has higher physiological activity.

Description

technical field [0001] The invention relates to a preparation method of oligopeptides, in particular to a soybean oligopeptide powder and a preparation method thereof. Background technique [0002] Soybean oligopeptides generally consist of 3-6 amino acids, and more than 80% of them have a molecular weight below 1000. The refined product after hydrolysis can be further developed into health food or food processing base material. At the same time, soybean oligopeptides have more abundant characteristics than soybean protein, mainly as follows: small molecular weight, easy to digest and absorb, almost no antigenicity; good thermal stability and water solubility, viscosity is not easy to change with concentration, etc.; Solubility is not limited by acid-base environment. [0003] Moreover, it has many physiological functions such as easy absorption and low allergenicity, lowering blood fat and cholesterol, lowering blood pressure, promoting mineral absorption and fat metaboli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/18
CPCA23L33/18
Inventor 饶安平王荣昌李玲甘露汪普林王玉莹易成飞陈道稳
Owner 江苏天美健大自然生物工程有限公司
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