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A kind of mineral compound protein edible film and preparation method thereof

A composite protein and mineral technology, which is applied in flexible coverings, packaging, wrapping paper, etc., can solve the problems that have not been found in the patent literature of mineral composite protein edible film, so as to reduce costs, improve nutritional value, and improve Effect of Tensile Strength and Elongation at Break

Inactive Publication Date: 2016-10-26
TIANJIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Through the search, no published patent documents related to the application of the present invention have been found for the edible film of mineral complex protein

Method used

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  • A kind of mineral compound protein edible film and preparation method thereof
  • A kind of mineral compound protein edible film and preparation method thereof
  • A kind of mineral compound protein edible film and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A kind of mineral compound protein edible film, its raw material is gelatin, whey protein, mineral matter, plasticizer, water, and its consumption and the component and consumption of contrast film are shown in Table 1:

[0042] Table 1 Components and consumption of mineral complex protein edible film and contrast film

[0043]

[0044] 1. Preparation of edible film of mineral complex protein of the present invention

[0045] A preparation method of a mineral composite protein edible film, the steps are as follows:

[0046] ⑴Protein swelling: Mix 8.0g gelatin, 2.0g whey protein, and 100.0g water evenly, and let stand for 2-3 hours to absorb water and swell;

[0047] (2) Sol: Mix the raw material evenly and let it stand still to swell, heat it in a water bath at 45-70°C for 10-30min, add 1.0g of minerals and 1.0g of plasticizer while stirring and mix evenly;

[0048] (3) Degassing by suction filtration: put the dissolved raw materials in a suction filtration bottle,...

Embodiment 2

[0063] A kind of mineral compound protein edible film, its main raw material is gelatin, whey protein, mineral matter, plasticizer, water, and its consumption and the composition and consumption of contrast film are shown in Table 2:

[0064] Table 2 Components and consumption of mineral complex protein edible film and contrast film

[0065]

[0066] 1. Preparation of edible film of mineral complex protein of the present invention

[0067] A preparation method of a mineral composite protein edible film, the steps are as follows:

[0068] (1) protein swelling: according to gelatin 10.5g weight part, whey protein 4.0g weight part, water 100.0g weight part, mix evenly, let stand for 2-3h to absorb water and swell;

[0069] (2) Sol: Mix the raw material evenly and let it stand still to swell, heat it in a water bath at 45-70°C for 10-30min, stir and add 1.5g of minerals by weight and 2.0g of plasticizer by weight and mix evenly;

[0070] (3) Degassing by suction filtration: put...

Embodiment 3

[0084] A kind of mineral compound protein edible film, its main raw material is gelatin, whey protein, mineral matter, plasticizer, water, and its consumption and the composition and consumption of contrast film are shown in Table 3:

[0085] Table 3 Components and consumption of mineral complex protein edible film and contrast film

[0086]

[0087]

[0088] The preparation methods of the above-mentioned mineral complex protein edible film and the control film are the same as those in Example 1 or 2.

[0089] The relevant detection results of the edible film of mineral complex protein in this embodiment:

[0090] Determination of tensile strength and elongation at break:

[0091] Detecting result shows, the tensile strength of the experimental group of this experiment invention and the average value of elongation at break are 2.58MPa and 105.2%, and the tensile strength of control group and the average value of elongation at break are then 1.38MPa and 47.2% . It can ...

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Abstract

The invention relates to a mineral substance compound protein edible membrane which comprises gelatin, whey proteins and mineral substances. A preparation method comprises the following steps: protein swelling; sol formation; suction filtration and degassing; membrane formation by a tape casting method; drying; membrane uncovering; neatening. The tensile strength and elongation at break of the edible membrane are remarkably improved through a synergistic effect of the mineral substances added and the proteins, so that the membrane is stable in property and quickly absorbs water in hot water to be dissolved. The whey proteins are high in nutritional value and easy to digest and absorb and contain various active components, so that the mineral substance compound protein membrane is safe, healthy and easy to absorb. The mineral substances are further added to realize the functions of supplementing calcium and strengthening skeleton. In addition, with increase of weight of the mineral substances, the cost can be lowered. The membrane can be used as an edible packaging material of a seasoning package in foods such as instant noodles, so that the membrane has good market development prospect.

Description

technical field [0001] The invention belongs to the technical field of food processing, and relates to an edible film, in particular to a mineral composite protein edible film and a preparation method thereof. Background technique [0002] Edible film refers to a film formed of edible materials, which mainly ensures the quality of food and prolongs the shelf life of food by preventing the migration of gas, water vapor and solute. As a new type of packaging material, edible film has the advantages of environmental protection, biodegradation, non-toxic and harmless, and can improve the shelf life and quality of food. [0003] The mineral composite protein film significantly improves the tensile strength and elongation at break of the edible film through the synergistic effect of adding minerals and proteins. It is stable in nature and quickly absorbs and dissolves in hot water. Whey protein has high nutritional value, is easy to digest and absorb, and contains a variety of ac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L89/00C08K3/26C08K3/32C08K5/053C08K5/11B65D65/46C08J5/18
Inventor 刘安军王跃猛王稳航郑捷滕安国刘彩红
Owner TIANJIN UNIV OF SCI & TECH
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