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Edible food packaging paper and preparation method thereof

A technology for food wrapping paper and dietary fiber, applied in the directions of wrapping paper, wrapping paper, packaging, etc., can solve the problems of insufficient application of edible packaging, poor mechanical properties, limited moisture resistance, etc. simple effect

Inactive Publication Date: 2015-08-19
JURONG MAOYUAN WEAVING FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there are degradable food packaging films made of natural biological materials such as soybean protein for oily food packaging, but edible packaging is not widely used commercially. It cannot replace the synthetic polymer plastic film. The main reason is that the mechanical properties of the film are poor. The natural edible polymer material itself is hydrophilic, and its moisture resistance is limited. waiting for solution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The preparation method of edible food packaging paper comprises the following steps:

[0018] (1) Preparation of the dietary fiber layer: take vegetables or fruits as raw materials, wash them and place them in a boiling water bath containing baking soda for blanching treatment. The mass concentration of baking soda in boiling water is 0.15%; then place them in cold water for rapid cooling; Put the cooled vegetable or fruit raw materials in a beater for beating to separate the vegetable juice or fruit juice; crush the vegetable pomace and fruit pomace for 25 minutes, and pass through a 120-mesh sieve; then place the filtrate under 50MPa and homogenize for 4 times to obtain a uniform fiber mixture solution; boil for 2.5min to make the fiber mixture swell; continue to boil for 2.5min, cool to 65°C, add hydroxymethyl cellulose and sodium alginate in a weight ratio, stir until completely dissolved, then add beeswax, stir evenly, cool, and Store at room temperature and 0.15Mp...

Embodiment 2

[0022] The preparation method of edible food packaging paper comprises the following steps:

[0023] (1) Preparation of the dietary fiber layer: take vegetables or fruits as raw materials, wash them and place them in a boiling water bath containing baking soda for blanching treatment. The mass concentration of baking soda in the boiling water is 0.1%; then place them in cold water for rapid cooling; Put the cooled vegetable or fruit raw materials in a beater for beating to separate the vegetable juice or fruit juice; crush the vegetable pomace and fruit pomace for 20 minutes, and pass through a 150-mesh sieve; then place the filtrate under 40MPa and homogenize for 5 times to obtain a uniform fiber mixture solution; boil for 2 minutes to make the fiber mixture swell; continue to boil for 3 minutes, cool to 60°C, add hydroxymethyl cellulose and sodium alginate in a weight ratio, stir until completely dissolved, then add beeswax, stir evenly, cool, at room temperature, Store at 0...

Embodiment 3

[0027] The preparation method of edible food packaging paper comprises the following steps:

[0028] (1) Preparation of the dietary fiber layer: take vegetables or fruits as raw materials, wash them and place them in a boiling water bath containing baking soda for blanching treatment. The mass concentration of baking soda in boiling water is 0.2%; then place them in cold water for rapid cooling; Put the cooled vegetable or fruit raw materials in a beater for beating, and separate the vegetable juice or fruit juice; crush the vegetable pomace and fruit pomace for 30 minutes, and pass through a 100-mesh sieve; then place the filtrate under 60MPa and homogenize for 3 times to obtain a uniform fiber mixture solution; boil for 3 minutes to make the fiber mixture swell; continue to boil for 2 minutes, cool to 70°C, add hydroxymethyl cellulose and sodium alginate in a weight ratio, stir until completely dissolved, then add beeswax, stir evenly, cool, at room temperature, Store at 0.1...

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Abstract

The invention provides edible food packaging paper comprising a dietary fiber layer and a protein film layer. The invention also provides a preparation method of the edible food packaging paper. The edible food packaging paper can be a complete pollution-free and safe food packaging supply, raw materials are easily available, the operation is simple, and the cost is low, so that the edible food packaging paper is economical and environmentally friendly, the problems of the contradiction between food wrapping wastes and environmental protection and the like are completely solved, and finished paper is high in strength, good in flexibility, difficulty to break and wide in application range.

Description

technical field [0001] The invention relates to edible food wrapping paper and a preparation method thereof, belonging to the technical field of food industry. Background technique [0002] With the development of the food industry, there are more and more types of food packaging paper. The more common ones are cake paper, candy paper, vermicelli paper box, bread paper, biscuit paper box, ice cream outer packaging paper, among which waterproof and oil-proof food packaging Paper is very popular, but most of them use polymer compounds such as polystyrene, polyvinyl chloride, and polypropylene as coating materials. At the same time, these materials are not easy to degrade, difficult to recycle, produce toxic gases when burned, and endanger the ecological environment. features. In addition, in the production process, chemicals such as anti-seepage agent, sizing agent, bleaching agent, dyeing agent, stabilizer, ultraviolet absorber and plasticizer are added to the pulp. The m...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H11/12D21H17/22D21H27/10
Inventor 史高峰
Owner JURONG MAOYUAN WEAVING FACTORY
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