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Collagen and wheat protein combined edible intestine casing membrane and preparation method thereof

A wheat protein and collagen technology, used in flexible covering, packaging, wrapping paper, etc., can solve the problems of low solubility, limited application range of wheat protein, low solubility, etc. The effect of water improvement

Active Publication Date: 2014-10-01
HENAN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because wheat gluten contains more hydrophobic amino acids, its solubility in water is very small, and the low solubility greatly limits the application range of wheat gluten

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The raw materials are commercially available collagen and wheat protein. First dissolve the wheat protein, prepare a solution with an ethanol concentration of 30% and a pH value of 9.0, add 6 parts of wheat protein, stir with a stirrer for 30 minutes, and obtain a uniform wheat protein solution; mix 20 parts of collagen and 5 parts of Sodium carboxymethyl cellulose is added to the well-mixed wheat protein solution, stirred with a stirrer for 30 minutes, the solution is fully mixed, and the pH value of the solution is adjusted to 10.0, and 8 parts of sorbitol and 0.1% glutaraldehyde by mass ratio are added Cross-linking agent, adjust the temperature to 40°C, heat in a water bath and stir for 30 minutes to obtain a uniform film-forming solution; cast the film-forming solution to form a film, and then dry it at 40°C to obtain an enteric film; at 65°C and relative humidity Under the condition of 95%, the aging treatment is carried out for 24 hours, and finally the finished ...

Embodiment 2

[0025] The raw materials are commercially available collagen and wheat protein. First configure a solution with an ethanol concentration of 20% and a pH value of 10.0, add a certain amount of wheat protein, and stir for 30 minutes with a stirrer to obtain a uniform wheat protein solution; mix 25 parts of collagen and 4 parts of sodium carboxymethyl cellulose Add it into the well-mixed wheat protein solution, stir with a stirrer for 30 minutes, make the solution fully mixed, and adjust the pH value of the solution to 10.0, add 7 parts of polyethylene glycol and 0.1% glutaraldehyde crosslinking agent with a mass ratio, Adjust the temperature to 40°C, heat and stir in a water bath for 30 minutes to obtain a uniform film-forming solution; cast the film-forming solution to form a film, and then dry it at 40°C to obtain an enteric film; at 70°C and relative humidity of 90% The aging treatment is carried out under the aging treatment condition of 24 hours, and finally the finished pr...

Embodiment 3

[0027] The raw materials are commercially available collagen and wheat protein. Dissolve the wheat protein first, configure a solution with an ethanol concentration of 10% and a pH value of 10.0, add 8 parts of wheat protein, stir with a stirrer for 30 minutes, and obtain a uniform wheat protein solution; mix 30 parts of collagen and 3 parts of Sodium carboxymethyl cellulose is added to the well-mixed wheat protein solution, stirred with a stirrer for 30 minutes, the solution is fully mixed, and the pH value of the solution is adjusted to 10.0 at the same time, 8 parts of glycerol and 0.3% pentamethylene glycol by mass ratio are added Aldehyde cross-linking agent, adjust the temperature to 40°C, heat in a water bath and stir for 30 minutes to obtain a uniform film-forming solution; cast the film-forming solution to form a film, and then dry it at a certain temperature for a certain period of time to obtain an enteric film; at 75°C and Under the condition of relative humidity o...

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Abstract

The invention belongs to the technical field of intestine casing membrane processing, and relates to a collagen-and-wheat-protein combined edible intestine casing membrane and a preparation method thereof. The preparation method comprises the following steps as follows: firstly, material processing, to be specific, wheat protein is dissolved; secondly, mixed processing, to be specific, a wheat protein solution obtained from the step (1) is fully mixed with collagen, the pH value of the mixed solution is adjusted within a certain range, then a certain amount of a plasticizer and a cross-linking agent is put into the solution, stirred sufficiently and uniformly so as to obtain a membrane forming liquid; thirdly, membrane forming and drying, to be specific, the membrane forming liquid is subjected to tape casting and membrane forming, and is dried at certain temperature for a certain period of time so as to obtain an intestine casing membrane semi-finished product; fourthly, curing processing, to be specific, curing processing is carried out at a certain temperature and humidity conditions, so as to obtain an intestine casing membrane finished product. According to the invention, the prepared protein composite intestine casing membrane has the advantages of high tensile strength, high breakage elongation rate, high nutritional value, and the like.

Description

technical field [0001] The invention belongs to the technical field of casing processing, and relates to a composite casing film of collagen and wheat protein and a preparation method thereof. Background technique [0002] Collagen is currently the main raw material for preparing edible casings. However, the preparation technology of collagen is very complicated and the steps are cumbersome. During the preparation process, a large amount of saturated lime water is required to dissolve the animal endothelium and to acidify and swell the animal endothelium. A large amount of acid-base waste liquid is generated in the process. , greater environmental pollution and higher cost. [0003] Wheat is one of the three major grains in the world. Wheat gluten is the main component of wheat protein, which is composed of gliadin and glutenin, contains a large number of disulfide bonds and other hydrophobic bonds, etc., and has good film-forming properties; and wheat gluten is rich in 18...

Claims

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Application Information

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IPC IPC(8): C08L89/00C08L1/28C08L71/08C08K5/053C08K5/07C08J5/18B65D65/46
Inventor 陈复生刘少博张丽芬刘昆仑布冠好李彦磊方志锋郭珍周迎春李润洁王萌蕾李蒙李文杨趁仙王书展朱婷伟杨光胜
Owner HENAN UNIVERSITY OF TECHNOLOGY
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