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A green and precise fresh-keeping method for crisp and anti-corrosion apples and its application

A fresh-keeping method and apple technology, which is applied in the fields of fruit and vegetable fresh-keeping, applications, and food preservation, and can solve the problems of unclear precise fresh-keeping methods and large differences in the sugar content of stored apples.

Active Publication Date: 2021-05-11
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. Carry out near-infrared non-destructive online grading, 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 -1 .

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. Carry out near-infrared non-destructive on-line grading, screen out 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 producti...

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PUM

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Abstract

The invention discloses a green and precise fresh-keeping method for crisp and anti-corrosion apples and its application. The method is to carry out non-destructive grading of the sugar content of harvested apples, and pre-cool them at -1.5-1.0°C for 18-24 hours after pre-cooling. At the same time, 0.5-1.5 μL / L 1-methylcyclopropene-modified atmosphere treatment was carried out, and the low-temperature acclimation was carried out at -1.2-0.8°C for 72-120 h. Then store for 10-12 months under precise temperature control -0.8--0.5°C or -1.5--1.2°C, then adjust the storage temperature to 0-0.5°C for 120-168 hours, and then adjust the storage temperature to 10±0.5°C, wake up again for 48-72 hours. Carry out high-concentration 1‑MCP fumigation treatment again, clean with natamycin antistaling agent solution, dry the surface, and carry out individualized packaging and sales. Through the combination of the above technologies and process parameters, the crispness 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 Patents(China)
IPC IPC(8): A23B7/04A23B7/152A23B7/154
CPCA23B7/04A23B7/152A23B7/154A23V2002/00A23V2200/10
Inventor 田世平李江阔张鹏陈彤李博强张占全
Owner INST OF BOTANY CHINESE ACAD OF SCI
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