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Preparation method of functional soluble edible composite film

A composite film, functional technology, applied in the field of preparation of functional soluble edible composite film

Active Publication Date: 2018-11-20
烨云生物技术(武汉)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

it has some strength but is soft

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] 1. 3g konjac glucomannan, 3g sodium alginate, 12g corn phosphate starch, 500ml deionized water, stir evenly, set aside;

[0065] 2. 2g chitosan, 3g citric acid, dissolve in 100ml deionized water, stir evenly, set aside;

[0066] 3. 10g of gelatin, add 100ml of deionized water, stir evenly, and set aside;

[0067] 4. Tea polyphenols 0.03g-0.08g, add 100ml deionized water, set aside;

[0068] 5. Add 1g of glycerin, add 100ml of deionized water, stir evenly, and set aside;

[0069] Mix the ingredients in the above steps 1, 2, 4, and 5 evenly, homogenize, and microwave treatment: frequency 100GHz, temperature 60°C, heating time 40 seconds each time;

[0070] Cast film, add the ingredients in step 3 after film formation, and the water content of the finished edible film should not be less than 10%.

Embodiment 2

[0072] 1. 12g soy protein isolate, 3g methyl cellulose, 0.1g sand pine gum, 500ml deionized water, stir evenly and set aside;

[0073] 2. 3g konjac gum, 1g chitosan, add 100ml deionized water, stir evenly, set aside;

[0074] 3. 3g of sodium alginate, 1g of polyvinyl alcohol, add 100ml of deionized water, stir evenly, and set aside;

[0075] 4. 10g gelatin, add 100ml deionized water, stir evenly, set aside;

[0076] 5. Tea polyphenols 0.03g-0.08g, add 100ml deionized water, set aside;

[0077] 6. Add 1g of glycerin, add 100ml of deionized water, stir evenly, and set aside;

[0078] Mix the ingredients in the above steps 1, 2, 3, 5, and 6 uniformly, homogenize, and microwave treatment: frequency 150GHz, temperature 65°C, heating time 50 seconds each time;

[0079] Cast film, add the ingredients in step 4 after film formation, and the water content of the finished edible film should not be less than 10%.

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PUM

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Abstract

The invention discloses a method for preparing functional soluble and edible compound membranes. The method is characterized in that the functional soluble and edible compound membranes are made of polysaccharides, proteins and starch and further comprises membrane-forming agents, reinforcing agents, plasticizers, cross-linking agents, antioxidants and gelatin, and the membrane-forming agents, the reinforcing agents, the plasticizers, the cross-linking agents and the antioxidants are used as auxiliary materials; the method includes steps of mixing aqueous solution, stirring and homogenizing the aqueous solution to obtain aqueous solution A or mixed aqueous solution B and allowing the aqueous solution A or the mixed aqueous solution B to stand still for standby application; carrying out heating treatment to obtain uniform thin membranes by means of flow-casting and cutting and packaging the compound membranes to obtain finished products. The method has the advantages that the functional soluble and edible compound membranes which are of porous network structures can be formed under the mutual effects of different molecules, have certain strength but are soft, can be dissolved in hot water but are moisture-resistant at normal temperature, can be subjected to heat-seal, are edible and are beneficial and harmless to the health, and the method can be widely applied to the field of food packaging.

Description

Technical field [0001] The invention relates to food packaging materials, in particular to a method for preparing a functional soluble and edible composite film. Background technique [0002] Packaging materials are a huge industry. According to statistics, the per capita consumption of packaging materials in the world has reached 145kg / year, including a large number of food packaging. In the past few decades, plastic packaging materials have been widely used because of their light weight and low price. Application, especially in food packaging (including flavors such as instant noodles, instant solid beverages and powdered medicines, etc.), but plastics have a serious threat to the human living environment due to the inability to degrade and accumulate pollution, and they are harmful to human health as food packaging. , Because plastics are high molecular polymers, some monomer residues and low molecular weight substances will dissolve during the polymerization process. At the s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L3/06C08L89/00C08L5/02C08L5/04C08L5/08C08L1/28C08L29/04C08K5/092C08K5/053C08J5/18
CPCC08J5/18C08J2303/06C08J2389/00C08J2489/00C08L3/06C08L89/00C08L2201/10C08L2201/14C08L2203/18C08L2205/025C08L2205/035C08L5/02C08L5/04C08L5/08C08K5/092C08K5/053C08L1/28C08L29/04
Inventor 邹绍云吴颖何亚娟张田骏汤家芳郑正炯
Owner 烨云生物技术(武汉)有限公司
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