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Functional peanut small molecule mixed polypeptide, preparation method and application thereof

A small-molecule, functional technology, applied in the field of functional peanut small-molecule mixed polypeptides and its preparation, can solve the problems of long production cycle of the preparation method, low purity of peanut protein polypeptides, and insufficient functionality, and achieve improved flavor and function Effect of high activity, short production cycle, good functional activity

Active Publication Date: 2010-06-23
SHANDONG SHIJICHUN FOOD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The peanut protein polypeptides produced by the existing technology have low purity, poor solubility, and the average molecular weight is mostly above 5000D, even exceeding 20000D, and the functionality is not strong enough
Its preparation method has long production cycle, low product yield and high preparation cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Example 1 Preparation of the functional peanut small molecule mixed polypeptide of the present invention

[0058] a. water grinding slurry

[0059] Accurately weigh 100 kg of degreased peanut meal, add 1,000 kg of water, and start the colloid mill to refine the pulp until it is in a fine and uniform dispersion state, and pass through a 200-300 mesh sieve for later use;

[0060] b. Acid-base treatment

[0061] Under stirring, add an aqueous acid solution to the water slurry prepared in step a, and adjust the pH between 4-5.5 and stabilize it, then let it settle for 20-30 minutes, and remove the supernatant; add water to the precipitated crude protein slurry , control the ratio of parts by weight of crude protein to water to be 1:5; start stirring and add an aqueous solution of alkali to adjust the pH value at 8-8.5 and stabilize it, then pump the feed liquid into the enzymolysis reaction kettle to prepare for enzymolysis;

[0062] c. Stage enzymatic hydrolysis, cleavage,...

Embodiment 2-6

[0085] According to the method and steps of Example 1, according to the ingredients in Table 1, the functional peanut small molecule mixed polypeptide product of the present invention is prepared

[0086] Table 1

[0087] Raw materials and product indicators

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Abstract

The invention relates to functional peanut small molecule mixed polypeptide, a preparation method and application thereof, belonging to small molecule mixed polypeptide generated by peptide chain hydrolysis.The invention is characterized in that the functional peanut small molecule mixed polypeptide is prepared by adopting the following raw material components by weight part: 100 parts of defatted peanut cake, 6-10 parts of combined enzyme preparations, 6-12 parts of active carbon, 3-8 parts of diatomite, 3-8 parts of pearlite and 100 parts of water; and the following technical indexes are achieved: the molecular weight distribution range Dalton (D) is less than or equal to 3000, the content of the small molecule mixed polypeptide is more than or equal to 80wt, the total nitrogen is more than or equal to 12wt%, the water solubility is 90wt%, the water is less than or equal to 5wt%, and the fat is less than or equal to 0.5wt%.The invention provides a product of the functional peanut small molecule mixed polypeptide with high purity, good solubility, average molecular weight of less than 3000D and strong biological functionality and a preparation method of the functional peanut small molecule mixed polypeptide with short production cycle, high product yield and low preparation cost. The functional peanut small molecule mixed polypeptide is suitable for a raw material of medicines, health food and beverage and functional nutritious food.

Description

technical field [0001] The invention is a functional peanut small molecule mixed polypeptide and its preparation method and application. It belongs to the small molecule mixed polypeptide produced by the hydrolysis of peptide chain. Background technique [0002] Peanut protein is a high-quality plant protein with high nutritional value. It contains 8 kinds of so-called "essential amino acids" that cannot be synthesized in the human body or cannot be synthesized in sufficient quantities, and must be obtained from food. It is also rich in "semi-essential amino acids" The arginine contained in it plays an important role in maintaining human health, improving immune function, and promoting the development of young children. Modern studies have shown that polypeptides are absorbed more easily and quickly by the human body through the small intestine. In particular, small molecule peptides can be absorbed directly from the intestinal tract without degradation. In addition, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P21/06A61K38/01A23L1/305A23L2/52A23L33/18
Inventor 高俊安于海周春佳刘金金张曰倩
Owner SHANDONG SHIJICHUN FOOD
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