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Fruit and vegetable preserving bag

A fruit and vegetable fresh-keeping, non-woven technology, applied in the direction of fruit and vegetable fresh-keeping, fruit/vegetable packaging, food preservation, etc., can solve the problems of complexity, high manufacturing cost, unenvironmental and hygienic structure, etc., and achieves low manufacturing cost and good water conductivity. , good fresh-keeping effect

Inactive Publication Date: 2003-08-20
黄海雄
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this fresh-keeping film for fresh fruit is that the pyrosulfite or bisulfite used in the fresh-keeping layer is a substance harmful to the human body, which is not environmentally friendly and hygienic, and has a complicated structure and high manufacturing cost.

Method used

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  • Fruit and vegetable preserving bag
  • Fruit and vegetable preserving bag
  • Fruit and vegetable preserving bag

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] figure 1 It is a specific embodiment of the present invention, and the size is slightly larger. Fruits and vegetables are packed into the fruit and vegetable fresh-keeping bag, and the mouth of the bag is sealed by hot pressing to store and keep fresh.

Embodiment 2

[0014] figure 2 It is another specific embodiment of the present invention. First, an observation hole is opened on the appropriate position of the polypropylene spunbonded non-woven fabric sheet, and a corresponding transparent plastic material is taken, and a transparent window is made by hot pressing, and a fresh-keeping bag is made. Then put the fruits and vegetables into bags and seal them for storage and preservation. The fruit and vegetable fresh-keeping bags can be placed in supermarkets, so that consumers (customers) can directly see the fresh-keeping conditions of the fruits and vegetables without damaging the fresh-keeping bags.

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Abstract

The present invention discloses one kind of fruit and vegetable preserving bag and aims at providing for the storage and transportation of fruit and vegetable one kind of preserving bag with medium air and water permeating performance, no condensed water on the wall of bag, high freshness maintaining effect, no environmental pollution, simple structure and low cost. The fruit and vegetable preserving bag is made of non-woven fabric of polypropylene fiber.

Description

technical field [0001] The invention relates to a fresh-keeping bag for fruits and vegetables. technical background [0002] At present, there are many methods widely used in the storage and preservation of fruits and vegetables, such as low temperature, air conditioning, decompression, irradiation, ionization, chemical preservatives, etc. The more commonly used ones are polyvinyl chloride cling film and polyethylene cling film. The fresh-keeping film has poor ventilation and water permeability, and it is easy to condense water on the film wall. The fresh-keeping period is short, the fresh-keeping effect is not good, and the fruits and vegetables are easy to rot and deteriorate. Chinese patent application number 99256532.4 discloses a kind of " fresh fruit preservation film ", and its technical scheme is: fresh fruit preservation film is made up of base layer, preservation layer, facial film. The fresh-keeping layer is composed of 80% to 90% pyrosu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/00B65D85/34
Inventor 黄海雄
Owner 黄海雄
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