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Edible fish skin collagen active composite membrane and preparation method thereof

A fish skin collagen and collagen technology, which is applied in the application field of bioactive packaging films, can solve the problems of poor antioxidant and antibacterial properties, few edible packaging films, and wide applications, and achieves good antioxidant activity. , The effect of preventing external microorganisms from contacting with food and prolonging the fresh-keeping period

Active Publication Date: 2017-05-31
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are few edible packaging films that can combine wrapping properties, excellent sensory properties, and microbial stability.
Coupled with narrow adaptability and high cost, it cannot be widely used commercially and cannot completely replace synthetic packaging materials.
This is mainly because there are still some deficiencies in edible packaging films, such as: poor moisture resistance, poor anti-oxidation and antibacterial properties, etc.

Method used

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  • Edible fish skin collagen active composite membrane and preparation method thereof
  • Edible fish skin collagen active composite membrane and preparation method thereof
  • Edible fish skin collagen active composite membrane and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] (1) Preparation of curcumin emulsifier: Weigh 0.5mg curcumin and 10mg beta-cyclodextrin into a 25ml dry small beaker, shake it back and forth to make it mechanically mix, then add 10ml water, and magnetically stir for 4h , to fully dissolve the cyclodextrin and fully wet the curcumin, then add 0.1g Tween-80 and continue stirring for 24 hours to obtain the curcumin emulsifier.

[0018] (2) Preparation of collagen solution: add 10 ml of curcumin emulsifier to 0.4 g of fish skin collagen, and dissolve with magnetic stirring at 45°C to make collagen solution;

[0019] (3) Preparation of edible fish skin collagen active composite membrane: Add 0.1 g of glycerin as a plasticizer to the collagen solution obtained in step (2), stir evenly, let it stand for degassing, and cast a composite membrane membrane Spread the casting solution on a plexiglass frame of 120 mm × 80 mm × 4 mm to form a film. The film forming temperature is 23 ± 0.5 °C and the film forming time is 24 h to pre...

Embodiment 2

[0022] (1) Preparation of curcumin emulsifier: Weigh 1mg curcumin and 10mg beta-cyclodextrin into a 25ml dry small beaker, shake it back and forth to make it mechanically mix, then add 10ml water, and magnetically stir for 4h, Fully dissolve the cyclodextrin and fully wet the curcumin, then add 0.1g Tween 80 and continue stirring for 24 hours to obtain the curcumin emulsifier.

[0023] (2) Preparation of collagen solution: add 10 ml of curcumin emulsifier to 0.4 g of fish skin collagen, and dissolve with magnetic stirring at 45°C to make collagen solution;

[0024] (3) Preparation of edible fish skin collagen active composite membrane: Add 0.1 g of glycerin as a plasticizer to the collagen solution obtained in step (2), stir evenly, let it stand for degassing, and cast a composite membrane membrane Spread the casting solution on a plexiglass frame of 120 mm × 80 mm × 4 mm to form a film. The film forming temperature is 23 ± 0.5 °C and the film forming time is 36 h to prepare a...

Embodiment 3

[0027] (1) Preparation of curcumin emulsifier: Weigh 2.5mg curcumin and 10mg beta-cyclodextrin into a 25ml dry beaker, shake it back and forth to make it mechanically mix, then add 10ml water, and magnetically stir for 4h , to fully dissolve the cyclodextrin and fully wet the curcumin, then add 0.1g Tween 80 and continue stirring for 24 hours to obtain the curcumin emulsifier.

[0028] (2) Preparation of collagen solution: add 10 ml of curcumin emulsifier to 0.4 g of fish skin collagen, and dissolve with magnetic stirring at 45°C to make collagen solution;

[0029] (3) Preparation of edible fish skin collagen active composite membrane: Add 0.1 g of glycerin as a plasticizer to the collagen solution obtained in step (2), stir evenly, let it stand for degassing, and cast a composite membrane membrane Spread the casting solution on a plexiglass frame of 120 mm × 80 mm × 4 mm to form a film. The film forming temperature is 23 ± 0.5 °C and the film forming time is 40 hours to prepa...

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Abstract

The invention provides an edible fish skin collagen active composite membrane and a preparation method thereof. The edible fish skin collagen active composite membrane comprises components, namely fish skin collagen, beta-cyclodextrin, curcumin, Tween-80 and glycerin. The preparation method comprises the following steps: firstly, mixing and dissolving the curcumin and the beta-cyclodextrin into distilled water with the Tween-80 so as to obtain a curcumin emulsifier solution, secondly, dissolving the collagen into the curcumin emulsifier solution so as to obtain a collagen solution, further adding glycerin as a plasticizer, uniformly stirring, leaving stand to remove gases, moving and paving on an organic glass frame, and drying, so as to obtain the edible fish skin collagen active composite membrane. The edible fish skin collagen active composite membrane provided by the invention is good in antioxidation property, can be biologically degraded, is free of environment pollution, is capable of preventing external microorganism from contacting food, and is capable of inhibiting oxidation rotting of the food, therefore, the effects of preserving food and prolonging the shelf life of the food can be achieved.

Description

technical field [0001] The invention relates to an edible fish skin collagen active composite film and a preparation method thereof, belonging to the application technical field of bioactive packaging films. Background technique [0002] With the development of the modern food industry, food packaging is constantly updated, and a new type of food packaging technology material that can improve the contradiction between packaging materials and environmental protection——edible packaging stands out. Edible packaging material means that when the function of packaging is realized, the material can be transformed into an edible raw material for animals or humans. It is a special packaging material that can realize the transformation of the function of packaging materials. Edible packaging material is a kind of waste-free packaging, and it is a resource-based and environmentally friendly packaging material. Edible packaging, that is, edible packaging, is generally composed of starc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L89/06C08L5/16C08K5/053C08J5/18
CPCC08J5/18C08J2389/06C08J2405/16C08L89/06C08L2201/06C08L2201/08C08L2203/16C08L5/16C08K5/053
Inventor 伍久林孙新玉郭小斑张其清
Owner FUZHOU UNIV
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