Method for testing properties of edible composite film used for peach preservation
A test method and composite film technology, applied in the agricultural field, can solve problems such as damage to fine hair, damage to the epidermis, and accelerated rot of peaches, and achieve accurate and reliable test results.
Inactive Publication Date: 2017-03-22
JIAXING VOCATIONAL TECHN COLLEGE
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Problems solved by technology
However, film preservation is not useful for freshness preservation of all fruits and vegetables. For example, konjac glucomannan is used for peaches whose skin is too soft and protected by fine hairs. After coating, it will damage the fine hairs and damage the skin, and accelerate the rot of peaches.
Method used
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Experimental program
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Effect test
Embodiment Construction
[0026] The following are specific embodiments of the present invention to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.
[0027] The key to the preservation of peaches is to inhibit the respiration and senescence of the fruit, prevent the loss, deterioration, discoloration, water loss and softening caused by respiration; prevent microbial damage; reduce the evaporation of water on the surface of fruits and vegetables. The current research on the preservation of peaches mainly focuses on chemical preservation, biological preservation, and physical preservation.
[0028] Because the coating technology is too soft on the skin, and the skin of peaches protected by fine hairs will be damaged, but in order to take advantage of the advantages of polysaccharide macromolecular substances, a plastic wrap is developed to keep the peach fresh.
[0029] Edible film is a fresh-keeping film with mechanical propertie...
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Abstract
The invention provides a method for testing properties of an edible composite film used for peach preservation, and belongs to the technical field of agriculture. The method for testing the properties of the edible composite film used for peach preservation comprises the following steps: A, a testing method of mechanical properties, B, a testing method of water and air permeable rate, and C, a testing method of transparency. According to the method, the properties of the edible composite film can be detected in the three aspects of the mechanical properties, the water and air permeable rate and the transparency, test results are accurate and reliable, the properties of the edible composite film can be accurately assessed, an excellent packaging product can be verified and selected, accurate parameters of a texture analyzer during the testing of the mechanical properties of the edible composite film can be determined, the effect of the edible composite film applied to the peach preservation can be determined, an advanced technology of juicy peach preservation storage can be completed, and blanks in the field of the juicy peach preservation storage in china can be filled up.
Description
Technical field [0001] The invention belongs to the technical field of agriculture, and relates to a food preservation technology, in particular to a performance test method of an edible composite film for peach preservation. Background technique [0002] Juicy peaches generally mature from the end of July to early mid-August. At this time, it is the hot and rainy season. After picking, the peaches are not resistant to storage. Respiratory peaks appear quickly at room temperature, and the process of maturation and senescence is very fast. Due to the loss of commodity value due to ripeness, soft rot, mildew, etc., the sales cycle and scope of peaches are greatly restricted, which affects the rapid development of this industry. At the same time, the flesh of peaches is soft and tender, sweet and juicy. In addition, a slight collision during picking, storage and transportation will cause wounds, and it is very easy to be infected by fungi and quickly rot and deteriorate, so the pres...
Claims
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IPC IPC(8): G01N33/02
CPCG01N33/02
Inventor 骆卢佳吴函缙章鹏飞叶德辉陈东
Owner JIAXING VOCATIONAL TECHN COLLEGE