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Cold storage and preservation method for relieving low-temperature cold damage of mangoes and maintaining after-ripening effect

A fresh-keeping method, mango technology, applied in the direction of freezing/cold storage of fruits/vegetables, etc., can solve the problems of excessive chemical preservatives, pesticide residues, environmental pollution, etc., to improve the ability to resist cold damage, prolong the storage life, and slow down the damage of fruit film Effect

Active Publication Date: 2021-11-16
HAINAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent CN201010195067.7 discloses a fresh-keeping technology for soaking mangoes in hot water combined with chitosan and sodium dehydroacetate mixed solution; however, chemical preservatives have problems such as excessive pesticide residues, environmental pollution and drug resistance.

Method used

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  • Cold storage and preservation method for relieving low-temperature cold damage of mangoes and maintaining after-ripening effect
  • Cold storage and preservation method for relieving low-temperature cold damage of mangoes and maintaining after-ripening effect

Examples

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Embodiment 1

[0028] Embodiment 1: The present invention aims at the problems of the existing mango storage and fresh-keeping technology, and provides a method of mangoes that can be stored for a long time at a conventional low temperature of 5°C above the freezing point through variable temperature treatment, and can be normally matured and softened during the shelf life, and can be eaten. The fresh-keeping method of quality requirements can effectively reduce the incidence of chilling injury and rot, and is a simple and safe mango fresh-keeping method without any side effects on humans.

[0029] Mango preservation method of the present invention is realized through the following steps:

[0030] (1) Selection: Select the "Gui Fei" mango fruit that is harvested in sunny days, seven to eight mature, consistent in size, correct in fruit shape, free from mechanical damage, diseases and insect pests;

[0031] (2) Sterilization: within 24 hours, soak the mango fruit in 0.5% sodium hypochlorite (...

Embodiment 2

[0041] Example 2: Select "Gui Fei" mango fruits harvested in sunny days, seven to eight mature, uniform in size, correct in shape, free from mechanical damage and pests, soak the fruits in 0.5% sodium hypochlorite for 30 seconds, and then rinse them with clean water. Let it dry naturally at room temperature. After air-drying, place the mango fruit at 15° C. for precooling, and the precooling time is 10 hours. Put the mango fruit gently in a fresh-keeping box with small holes (keep the ambient humidity in the box constant, and lay two layers of paper towels on the bottom of the fresh-keeping box) for packing, divide them into control group and variable temperature group, and then separate the two groups Store in a low-temperature freezer at 5°C for 40 days.

[0042] Control group: refrigerated at low temperature for 40 days (without any treatment during the period), then transferred to shelf life for 5 days;

[0043] Variable temperature group: refrigerated at low temperature...

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Abstract

The invention discloses a cold storage and preservation method for relieving low-temperature cold damage of mangoes and maintaining after-ripening effects, and mainly relates to the technical field of storage and preservation of fruits and vegetables. The method comprises the following steps: S1, selecting mango fruits; S2, performing sterilization treatment on the mango fruits; S3, performing pre-cooling treatment on the mango fruits; S4, placing the mango fruits in a refrigeration house for refrigeration, and performing temperature change treatment once at set intervals during refrigeration; S5, transferring the mango fruits from the refrigeration house to a normal-temperature environment, entering a shelf life, and softening after ripening. According to the invention, the method can effectively reduce the occurrence rate of cold injury and rot, is simple and safe, and does not have any side effect on people.

Description

technical field [0001] The invention relates to the technical field of fruit and vegetable storage and fresh-keeping, in particular to a cold-keeping and fresh-keeping method for reducing the low-temperature chilling damage of mangoes and maintaining post-ripening effects. Background technique [0002] Mango fruit is harvested under high temperature conditions in summer, and it is a climacteric fruit. The harvested fruit is easy to ripen and soften at room temperature, which will cause it to rot and deteriorate during storage and transportation. In addition, mango is a cold-sensitive fruit, and it is prone to chilling injury in low-temperature storage, which affects the economic value and seriously restricts the modern production and development of mango. Therefore, post-ripening softening and low-temperature chilling injury are the main factors that limit the long-term storage and transportation of mango, lead to short shelf life and decline in fruit commodity value. At pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/04
CPCA23B7/04
Inventor 张正科姜龙韩丽珍王林锐王志国徐萍
Owner HAINAN UNIVERSITY