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Honey peach preservative and application method thereof

An application method, the technology of juicy peaches, is applied in the field of food preservation, which can solve the problems of not being able to store for a long time, not being able to squeeze each other, and affecting the income of fruit farmers, so as to achieve the effect of reducing storage costs and prolonging the preservation time

Inactive Publication Date: 2009-12-09
无锡强工机械工业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the harvest period of juicy peaches happens to be in the season with the highest temperature of the year (30-35°C). Therefore, the technology of preserving juicy peaches has always troubled fruit farmers. Without preservation, they cannot be stored for a long time, nor can they be transported over long distances, nor can they be squeezed together. , directly affects the income of fruit farmers, and the amount of waste is also large

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] (1) Weigh 4kg of chitosan with a molecular weight of 600,000, 0.5kg of sodium benzoate, 1kg of sodium polyacrylate and 2kg of aminoacetic acid, add them to 92.5kg of water, stir for 5 minutes, control the mixed solution at about 20°C, and then let stand for 10 In minutes, the peach preservative is prepared;

[0015] (2) Put the freshly picked fresh peaches on the shelf, spray the prepared peach preservative directly on the surface of the peaches by spraying, adjust the spraying speed and peach travel speed, and control the spraying of the preservative. Coverage at 15mg / cm 2 ;

[0016] (3) The above-mentioned sprayed honey peaches are then blast-dried, the temperature of the air blown out by the blower is controlled at 30° C., and the blast drying time is controlled at 2 seconds.

[0017] Untreated peaches can only be preserved for 10 to 15 days at normal temperature, while peaches treated with the above method can be preserved for 55 days at normal temperature.

Embodiment 2

[0019] (1) Weigh 5kg of chitosan with a molecular weight of 600,000, 0.6kg of sodium benzoate, 1.2kg of sodium polyacrylate and 2.2kg of aminoacetic acid, add them to 91kg of water, stir for 5 minutes, control the mixed solution at about 20°C, and then let it stand In 15 minutes, 100kg of peach preservative can be prepared;

[0020] (2) Put the freshly picked fresh peaches on the shelf, spray the prepared peach preservative directly on the surface of the peaches by spraying, adjust the spraying speed and peach travel speed, and control the spraying of the preservative. Coverage at 20mg / cm 2 ;

[0021] (3) The above-mentioned sprayed honey peaches are then blast-dried, the temperature of the air blown out by the blower is controlled at 40° C., and the blast drying time is controlled at 1 second.

[0022] Untreated peaches can only be preserved for 10 to 15 days at normal temperature, while peaches treated with the above method can be preserved for 53 days at normal temperatur...

Embodiment 3

[0024] (1) Weigh 4.5kg of chitosan with a molecular weight of 600,000, 0.55kg of sodium benzoate, 1.1kg of sodium polyacrylate and 2.1kg of glycine, add them to 91.75kg of water, stir for 5 minutes, control the mixed solution at about 20°C, and then Leave it to stand for 15 minutes to obtain 100kg of peach preservative;

[0025] (2) Put the freshly picked fresh peaches on the shelf, spray the prepared peach preservative directly on the surface of the peaches by spraying, adjust the spraying speed and peach travel speed, and control the spraying of the preservative. Coverage at 18mg / cm 2 ;

[0026] (3) The above-mentioned sprayed honey peaches are then blast-dried, the temperature of the air blown out by the blower is controlled at 35° C., and the blast drying time is controlled at 1.5 seconds.

[0027] Untreated peaches can only be preserved for 10 to 15 days at normal temperature, while peaches treated with the above method can be preserved for 58 days at normal temperature...

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Abstract

The invention relates to a honey peach preservative and an application method thereof; the honey peach preservative comprises the following components according to corresponding parts by weight: 4-5 parts of chitosan of 600, 000 molecular weight, 0.5-0.6 part of sodium benzoate, 1-1.2 parts of sodium polyacrylate, 2-2.2 parts of organic acid and remainder of water; the application method of the honey peach preservative comprises the steps of batching, spraying and drying. By coating preservative on the surface of honey peach, the invention reasonably utilizes filming property, inoxidizability, bacteriostasis and sterilization effects and synergy effect of natural state biological molecules, so that the freshness time of honey peach can be greatly prolonged, honey peach can be stored for a long term and transported for a long distance without going bad in a short time, and the storage cost in the transporting process is reduced, thus being favourable for storage by customers and ensuring the benefits of fruit growers and consumers with low cost.

Description

technical field [0001] The invention belongs to the technical field of food preservation, and in particular relates to a peach preservation agent and an application method thereof. Background technique [0002] Peach is a specialty of Wuxi. Peach is rich in nutrition, sweet and juicy, rich in iron, and can increase the amount of hemoglobin in the human body. It is a fruit that the general public likes very much. [0003] Because peaches contain 10% to 15% more sugar and about 85% more moisture, the surface is densely covered with thick hairs, the diameter of which is 0.2 to 0.15 mm, and the surface area covered by dense hairs is 80 to 100 roots / cm 2 , the height of the thick hair is 2-4mm. Due to the high coverage of the thick hair, the antiseptic material is not easy to be directly combined with the epidermis, so it cannot achieve the fresh-keeping effect. If a large amount of water is soaked in the fresh-keeping liquid, the cost of fresh-keeping will be increased, and the ...

Claims

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Application Information

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IPC IPC(8): A23B7/154
Inventor 强光初
Owner 无锡强工机械工业有限公司
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