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Eco-friendly precise preserving method for keeping apples fresh and crisp and use thereof

A fresh-keeping method and technology for apples, which are applied in the fields of fruit and vegetable fresh-keeping, application, food preservation, etc., can solve the problems of large differences in sugar content of stored apples and unclear precise fresh-keeping methods, so as to control rot or mildew, and reduce rot or mildew. , the effect of delaying maturation and aging

Active Publication Date: 2018-04-10
INST OF BOTANY CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, there are large differences in the sugar content of stored apples, and it is impossible to achieve precise temperature-controlled storage of apples with different sugar levels, and the precise fresh-keeping method for physiological regulation and coordinated regulation of rot or mildew is still unclear

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1: Fresh-keeping of low sugar content apple

[0034]The first choice is to pick Fuji apples with inherent fruit shape, hardness, color and flavor that meet the storage requirements. The fruit surface is required to be clean, free from damage, pests and diseases, and foreign impurities. Each fruit is packed in a foam net, and the outer packaging is standard apples. Packaging cartons can also be packed in clean, porous plastic boxes, 8-10 kg per box. Near-infrared non-destructive online grading was carried out to screen out low-sugar apples (10%2 , the ethylene production rate was 3.98 μL·kg -1 h -1 .

[0035] Effect comparison: Store according to the above conditions, and do not carry out high-concentration 1-MCP and natamycin antiseptic treatment after refrigerated for 10 months. After refrigerated for 10 months, when stored for 10 days, the apple rot rate was 12.18 %, and the hardness was 20.36 kg / cm 2 , the ethylene production rate was 5.06 μL·kg -1 h ...

Embodiment 2

[0036] Embodiment 2: Fresh-keeping of medium and high sugar content apples

[0037] The first choice is to pick Fuji apples with inherent fruit shape, hardness, color and flavor that meet the storage requirements. The fruit surface is required to be clean, free from damage, pests and diseases, and foreign impurities. Each fruit is packed in a foam net, and the outer packaging is standard apples. Packaging cartons can also be packed in clean, porous plastic boxes, 8-10 kg per box. Near-infrared non-destructive online grading was carried out, and medium and high sugar content apples (12%2 , the ethylene production rate was 4.62 μL·kg -1 h -1 .

[0038] Effect comparison: Store according to the above conditions, and do not carry out high-concentration 1-MCP and natamycin antiseptic treatment after refrigerated for 12 months. After being refrigerated for 12 months and stored for 7 days, the apple rot rate was 15.18 % and the hardness was 18.36 kg / cm 2 , the ethylene production...

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PUM

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Abstract

The invention discloses an eco-friendly precise preserving method for keeping apples fresh and crisp and a use thereof. The method comprises carrying out non-destructive grading on sugar content of harvested apples, carrying out pre-cooling, then carrying out pre-cooling at -1.5 to 1.0 DEG C for 18-24h, simultaneously, carrying out controlled atmosphere treatment through 0.5 to 1.5 microliter perliter of 1-methylcyclopropene, carrying out low temperature acclimation at a temperature of -1.2 to -0.8 DEG C for 72-120h, carrying out storage under precise control of -0.8 to -0.5 DEG C or -1.5 to-1.2 DEG C for 10-12h, adjusting the storehouse temperature to 0-0.5 DEG C, carrying out recovery for 120-168h, adjusting the storehouse temperature to 10+ / -0.5 DEG C, carrying out recovery again for48-72h, carrying out high concentration 1-MCP fumigation treatment, carrying out washing through a natamycin preservative solution, blow-drying the surface and carrying out personalized packaging andselling. Through combination of the above technology and process parameters, the brittleness of apples can be significantly maintained and the quality can be improved.

Description

technical field [0001] The invention relates to a fresh-keeping technology for post-harvest apples, in particular to a crisp, anti-corrosion and green fresh-keeping method for post-harvest apples with precise sugar content classification, precise 1-MCP treatment, precise temperature storage technology, and precise natamycin treatment. Background technique [0002] Apple is one of the world's four major fruits (apple, citrus, grape, banana), accounting for more than 15% of the world's total fruit. According to the statistical results of the Food and Agriculture Organization of the United Nations (FAO), the world's total apple production in 2010 was 69.512 million tons, and my country's was 33.2652 million tons, accounting for 47.86% of the world's total production, ranking first in the world. [0003] Post-harvest rot loss of fresh fruits and vegetables in my country is very serious, which restricts the development of my country's fruit and vegetable industry. At present, lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/04A23B7/152A23B7/154
CPCA23B7/04A23B7/152A23B7/154A23V2002/00A23V2200/10
Inventor 李江阔张鹏徐祥彬颜延才薛友林
Owner INST OF BOTANY CHINESE ACAD OF SCI
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