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Edible onion film

An onion and onion juice technology, which is applied to flexible covering, packaging, wrapping paper, etc., can solve the problems of single variety of edible films, inability to meet diversified food requirements, and differentiated packaging, so as to improve food safety and increase The effect of edible taste and prevention of corruption

Inactive Publication Date: 2014-02-19
HARBIN PATERNA BIOTECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, edible films have been widely used in food packaging, but the variety of edible films is too single, usually colorless, odorless, transparent films, which cannot meet the needs of diversified food and differentiated packaging

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Formula ratio (parts by weight)

[0017] Onion juice 12, sorbitol 7, gelatin 6, glucomannan 0.6, protamine 0.09, water 80.

[0018] The preparation method of onion edible film:

[0019] (1) Weigh 6 grams of glucomannan, dissolve it in 800 grams of water, and soak for 12 hours at a temperature of 15°C±2°C;

[0020] (2) Add 70 grams of sorbitol, 60 grams of gelatin, and 120 grams of onion juice to the glucomannan solution, stir for 20-30 minutes at a temperature of 60°C±2°C and a speed of 600-800 rpm, and then mix them Heat to 90°C±2°C, keep warm for 6-8 minutes;

[0021] (3) Use 10% edible sodium phosphate solution to adjust the pH value to 8.0-8.5, add 0.9 grams of protamine, stir well and let it stand for 2-3 hours to form a film-forming solution;

[0022] (4) Pour the film-forming solution on a flat plate, scrape the film to form a uniform film with a certain thickness, dry it at 60°C±2°C, and remove the film to obtain the onion edible film.

Embodiment 2

[0024] Formula ratio (parts by weight)

[0025] Onion juice 10, sorbitol 6, gelatin 5, glucomannan 0.6, protamine 0.08, water 75.

[0026] The preparation method of onion edible film:

[0027] (1) Weigh 6 grams of glucomannan, dissolve it in 750 grams of water, and soak for 12 hours at a temperature of 15°C±2°C;

[0028] (2) Add 60 grams of sorbitol, 50 grams of gelatin, and 100 grams of onion juice to the glucomannan solution in sequence, stir for 20-30 minutes at a temperature of 60°C±2°C and a speed of 600-800 rpm, and then It is heated to 90°C±2°C and kept for 6-8 minutes;

[0029] (3) Use 10% edible sodium phosphate solution to adjust the pH value to 8.0-8.5, add 0.8 grams of protamine, stir well and let it stand for 2-3 hours to form a film-forming solution;

[0030] (4) Pour the film-forming solution on a flat plate, scrape the film to form a uniform film with a certain thickness, dry it at 60°C±2°C, and remove the film to obtain the onion edible film.

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PUM

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Abstract

The invention provides an edible onion film which comprises components in parts by weight as follows: 10-15 parts of onion juice, 6-8 parts of sorbitol, 5-7 parts of gelatin, 0.6-1 part of gulcomannan, 0.08-0.1 part of protamine and 75-85 parts of water. As the same time, the invention further provides a preparation method of the edible onion film. The prepared edible onion film can be used for packaging directly edible food and has onion flavor, the eating convenience of the packaged food is increased, and the eating interest is added.

Description

technical field [0001] The invention belongs to the field of food processing, and relates to packaging films, in particular to an onion edible film. Background technique [0002] Edible packaging film (EPF), referred to as edible film, is a film with a porous network structure formed by the interaction of different molecules with natural edible substances (such as polysaccharides, proteins, etc.) as raw materials. Edible film has the advantages of easy degradation, edible, convenient use, and no pollution to the environment. It is a food packaging material with great development potential and has a good development prospect. At present, edible films have been widely used in food packaging, but the variety of edible films is too single, usually colorless, odorless, transparent films, which cannot meet the needs of diversified food and differentiated packaging. Contents of the invention [0003] The invention provides an onion edible film, which can be used for the packagi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L89/00C08L5/02C08K5/053C08K5/00C08J5/18B65D65/46
Inventor 宋林霞
Owner HARBIN PATERNA BIOTECH DEV
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