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Fresh and alive agricultural product ice film freshness-retaining method

A fresh-keeping method and a technology for agricultural products, which are applied in food preservation, fruit and vegetable preservation, edible seeds preservation, etc., can solve the problems that ice-temperature storage cannot be popularized on a large scale, and achieve low operating cost, simple operation method, fresh-keeping time and effect. good effect

Inactive Publication Date: 2011-08-10
SHENZHEN YANGLIN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These problems are the bottlenecks that have prevented large-scale promotion of ice-temperature storage since it was proposed nearly 30 years ago.

Method used

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  • Fresh and alive agricultural product ice film freshness-retaining method
  • Fresh and alive agricultural product ice film freshness-retaining method
  • Fresh and alive agricultural product ice film freshness-retaining method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment one: Fragrant pear ice wrap

[0027] Such as figure 1 Shown, the technological process of the fragrant pear ice film fresh-keeping technology described in the present invention is:

[0028] 1. After picking and grading the harvested fragrant pears on the same day, wrap them with copy paper and foam net sleeves 2, and place them neatly and densely in plastic turnover boxes (water-resistant packaging boxes with holes) 3;

[0029] 2. Prepare the aqueous solution of the ice film, using 95% GA3 (gibberellin 3) with 10000 times the content of plant hormones and 45% TBZ (thiabendazole) with 1000 times the content of the pollution-free fungicide, and add water to prepare the ice film Aqueous solution4. According to needs, 95% gibberellin 3 with 6000 times content or 95% gibberellin 3 with 15000 times content and 45% thiabendazole with 500 times content or 45% thiabendazole with 1500 times content can also be used Ling, add water to prepare the aqueous solution o...

specific Embodiment 2

[0043] Specific embodiment two : Grape ice film preservation

[0044] The technological process of grape ice film fresh-keeping technology described in the present invention is:

[0045] 1. After the harvested red globe grapes 1 are selected on the same day and graded according to the size and maturity of the fruit grains, they are wrapped with 2 single ears of copy paper, and the copies of the ears exceeding 500 grams can be wrapped separately for each fork, reaching Until no fruit grains are exposed, then wrap the whole ear with a sponge 2 with a thickness of 0.5-2cm, and place it in a single layer, neatly, and densely in a plastic box (water-resistant box with holes) 3, and the net weight of grapes in each box is 9kg;

[0046] 2. Prepare the aqueous solution of the ice film, using 95% GA3 with 10000 times the content of phytohormone and 25% Amisida with 1000 times the content, and add water to prepare the aqueous solution of the ice film 4. It is also possible to use 500...

specific Embodiment 3

[0055] Specific embodiment three : Winter jujube ice film preservation

[0056] The technological process of winter jujube ice film fresh-keeping technology described in the present invention is:

[0057] 1. The winter jujube 1 that has just been picked rather than knocked is selected on the same day and graded according to the size and maturity of the fruit, put it into a plastic box 3 with holes, cover it, and soak it in pre-added 3% jujube. Bleach powder and add crushed ice to cool down to 3-5°C ice water 4 (aqueous solution of ice film) for pre-cooling for 1 minute (1-5% bleaching powder can also be used to prepare the aqueous solution of ice film). In an empty plastic box, use ice-water-absorbed sponge 2 to pad the bottom and walls of the basket, and carefully pour the pre-cooled winter dates on the sponge. After the fruits are stacked on the second floor, lay ice-absorbed sponges on top, and then pour the winter dates , flattened to the second floor. Repeat this unti...

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Abstract

The invention discloses a fresh and alive agricultural product ice film freshness-retaining method. The method comprises the following steps of: wrapping the product by using a water absorbent material; placing the product into a waterproof packaging box with holes; and soaking the product in water or spraying water on the product and then placing the product into a refrigerator to cool, so that water on the surface of the product and the water absorbent material are frozen into an ice film. In the whole storage period, the product is controlled to be stably in the temperature range of below 0 DEG C and above the freezing point of the product; and water is sprayed on the packaging box in due time, so that the thickness of the ice film is maintained. The method has the characteristics of good freshness-retaining effect, simple and reliable process, low investment and operating cost, capacity of storing by using the conventional refrigerator, and high commercial popularization value.

Description

technical field [0001] The invention relates to a fresh-keeping technology for fresh and live agricultural products, in particular to an ice film preservation method for fresh and live agricultural products with low cost, high economical efficiency, simple operation and good fresh-keeping effect. Background technique [0002] The storage and preservation technology of fresh and live agricultural products is to provide the storage environment and conditions artificially to achieve the lowest metabolic level of the products without causing physiological disorders, so as to achieve the purpose of prolonging the life of the products. The industry has introduced fresh agricultural product preservation technology using the stable temperature range (ice temperature) above the freezing point of products below 0°C. This technology has the potential to extend the storage period and reduce storage diseases for products that are not sensitive to chilling damage and have a lower freezing ...

Claims

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Application Information

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IPC IPC(8): A23B7/00A23B7/05A23B7/16A23B9/00A23B9/10A23B9/14
Inventor 杨少桧
Owner SHENZHEN YANGLIN TECH
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