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Long-term pyrus bretschneideri storage browning-free preservation method

A fresh-keeping method and technology for pears, applied in the direction of preservation of fruits/vegetables by freezing/refrigeration, etc., can solve the problems of slow sales in the market, high storage temperature, vigorous fruit breathing, etc., and achieve the effects of reducing defrosting energy consumption and simplifying cold storage management.

Inactive Publication Date: 2014-07-09
SHANDONG INST OF POMOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the high storage temperature in the early stage and the long duration of the slow cooling process, the fruit breathes vigorously, which accelerates the fruit to enter the senescence period, and causes late black heart.
At the same time, the high temperature in the early stage increased the rot rate of pears, and the low temperature in the later period caused low temperature damage. The comprehensive storage quality of pear fruit dropped significantly, which eventually caused the current low price of pears and the phenomenon of slow sales in the market. The original competitiveness of the market has seriously affected the economic income and production enthusiasm of the majority of fruit farmers, which is not conducive to the healthy and sustainable development of the entire pear industry

Method used

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  • Long-term pyrus bretschneideri storage browning-free preservation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A long-term storage method for pears without browning, comprising the following steps:

[0025] (1) Harvesting: The best time to harvest Yali pears for long-term storage is from September 6th to September 26th, when the color of the fruit seeds changes from white to light brown. After harvesting, remove rotten fruits and pests Fruit, fruit with mechanical damage;

[0026] (2) Before pre-cooling the pears, pre-cool in the cold storage for 3-4 hours with forced ventilation to reduce the temperature of the cold storage to -1-3°C, and then put the selected pears into the cold storage to quickly pre-cool them to 0-3°C. 5°C;

[0027] (3) Storage: Put the pre-cooled pears directly into the storage where the temperature has dropped to 0°C;

[0028] (4) Storage period management: control the temperature in the cold storage at -2 to 2°C throughout the storage period. The temperature in the cold storage is controlled by a two-way precision control device for storage temperature ...

Embodiment 2

[0030] A long-term storage method for pears without browning, comprising the following steps:

[0031] (1) Harvest the pears that meet the harvesting standards. The harvesting period for long-term storage of pears is from September 6th to September 26th, when the color of the fruit seeds changes from white to light brown. Pear fruits are picked in bags and picked with fruit bags. The packaging can be in cartons or plastic turnover boxes. After harvesting, rotten fruits, fruits with diseases and insects, and fruits with mechanical damage are removed;

[0032] (2) Select qualified fruits and store them in time, stabilize the temperature of the cold storage to a range of -1 to 3°C, and store pears in batches after pre-cooling in the cold storage. The capacity of each storage should not exceed 1 / 5 of the volume of the cold storage During the storage process, when each batch of fruit is put into storage, the storage temperature rises no more than 5°C. After each batch of fruit is p...

Embodiment 3

[0035]A long-term storage method for pears without browning, comprising the following steps:

[0036] (1) Harvest the pears that meet the harvesting standards. The harvesting period for long-term storage of pears is from September 6th to September 26th, when the color of the fruit seeds changes from white to light brown. Pear fruits are picked in bags and picked with fruit bags. The packaging can be in cartons or plastic turnover boxes. After harvesting, rotten fruits, fruits with diseases and insects, and fruits with mechanical damage are removed;

[0037] (2) Select qualified fruits and store them in time, stabilize the temperature of the cold storage to a range of -1 to 3°C, and store the pears in batches after pre-cooling in the cold storage. The capacity of each storage should not exceed 1 / 10 of the volume of the cold storage (Large warehouse), when each batch of fruit enters the warehouse, the storage temperature rises no more than 5°C. After each batch of fruit enters t...

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Abstract

The invention discloses a long-term pyrus bretschneideri storage browning-free preservation method which comprises the following steps: harvesting, precooling, warehousing, and managing in the storage period. The method is a technology through which a stable low temperature can be preserved, the respiration intensity of fruits is controlled by utilizing a constant fruit temperature, the browning of the fruit cores and pulp can be avoided, the fruit caducity process is delayed and the storage and preservation period is prolonged, and according to the method, the cost is low, simplicity and feasibility are achieved, and the method is suitable for popularization and application of vast orchard workers, business owners or processing enterprises.

Description

[0001] technical field [0002] The invention relates to the technical field of fruit storage and preservation, in particular to a method for long-term storage of pears without browning and preservation. Background technique [0003] Yali (Pyrus bretschneideri Rehd.cv.Yali) is native to my country and is one of the main cultivars of white pear strains. It is widely cultivated in Hebei, Shandong, Liaoning and other provinces. According to the latest statistics from the Ministry of Agriculture, in 2010, the total output of pear fruit in China was 15 million tons, of which the output of duck pear was close to 2.55 million tons, accounting for 16.9% of the total output of pear fruit. As an important part of the high-efficiency tree industry, pear production has become the main way to increase farmers' income and increase agricultural efficiency in many areas. At the same time, in recent years, my country's pear export volume has continued to grow. Ya pears are exported to South...

Claims

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Application Information

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IPC IPC(8): A23B7/04
Inventor 王淑贞王传增孙家正鲁荣杨雪梅王丹
Owner SHANDONG INST OF POMOLOGY
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