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Comprehensive controlled-atmosphere fresh keeping method of vitis vinifera cv.munage

A technology for keeping freshness of Munag grapes and modified atmosphere, which is applied in the direction of fruit and vegetable preservation, food ingredients as antimicrobial preservation, food preservation, etc. Mildew, improved storage time, improved stability effects

Active Publication Date: 2018-08-24
TIANJIN AGRICULTURE COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the long-term storage of Munage grapes, the spoilage process is affected by many factors, and our preliminary research found that compared with the storage-resistant red grape grapes, different preservation measures have no effect on Munage grapes. The same, but too complicated fresh-keeping measures will increase the cost and difficulty of its implementation, and cannot be implemented in the vast Munage grape producing areas in Xinjiang

Method used

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  • Comprehensive controlled-atmosphere fresh keeping method of vitis vinifera cv.munage
  • Comprehensive controlled-atmosphere fresh keeping method of vitis vinifera cv.munage
  • Comprehensive controlled-atmosphere fresh keeping method of vitis vinifera cv.munage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～4

[0059] 1) Select freshly picked Munag grapes without mechanical damage, diseases and insect pests, after pruning, put them into plastic storage boxes, store 5kg in each box, lay PE plastic wrap on the bottom and inner wall of the storage box, and place water-absorbing grapes on the top of the plastic wrap. Put the grapes on top of the absorbent paper, and lay the absorbent paper on top of the grapes, place the open mouth in a modified atmosphere preservation device, cool down to 0-4°C, and pre-cool for 24 hours; adjust the CO in the storage atmosphere when the pre-cooling starts. 2 55% by volume, O 2 The volume percentage is 9.5% (the balance is nitrogen), and the NO content in the input nitric oxide to the storage atmosphere is A 1 μL / L, while inputting sulfur dioxide into SO in the storage atmosphere 2 Content is B 1 μL / L;

[0060] The A1 and B1 values ​​of Examples 1 to 4 are shown in the table below

[0061]

Example 1

Example 2

Example 3

Exampl...

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Abstract

The invention relates to a comprehensive controlled-atmosphere fresh keeping method of vitis vinifera cv.munage. The method comprises the following steps of (1) selecting the vitis vinifera cv.munage,placing the selected vitis vinifera cv.munage in controlled-atmosphere fresh keeping equipment, lowering the temperature to 0-4 DEG C, and performing precooling for 24h; during starting precooling, regulating the percentage by volume of CO2 in storage atmosphere to be 50-60% and the percentage by volume of O2 to be 8-10%, inputting nitric oxide as trace gas until the NO content in the storage atmosphere is 80-120 [mu] L / L, and besides, inputting sulfur dioxide as trace gas until the SO2 content in the storage atmosphere is 200-300[mu] L / L; and (2) after precooling, adding oleum cinnamomi microcapsules wrapped with beta-cyclodextrin to a grape storage container in the controlled-atmosphere fresh keeping equipment, regulating the storage atmosphere until the O2 volume content is 4-5%, the CO2 volume content is 5-6%, the relative humidity is 90-95%, performing heat insulation at minus 1 to 1 DEG C, and maintaining atmosphere until storage is ended.

Description

technical field [0001] The invention belongs to the technical field of post-harvest freshness preservation of agricultural products, and relates to a freshness preservation method for grapes. Background technique [0002] Grape fruit is fresh and juicy, with high water content, high respiration intensity and enzyme activity after harvest, and it is easy to lose water, browning of fruit stems, berry threshing, and rot caused by pathogen infection during storage and sales etc., affecting its commodity value and the enthusiasm of fruit growers. As the largest grape-producing area in my country, Xinjiang region produces a variety of high-quality grapes, such as Munage grapes, which are bright in color, thin in skin and thick in flesh. They are table grapes with Xinjiang characteristics. They are late-maturing local varieties with strong regional sex. Munage grapes mature from mid-September to mid-October every year. After harvesting, they will be stored at room temperature for ...

Claims

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Application Information

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IPC IPC(8): A23B7/152A23B7/154A23B7/159
CPCA23B7/152A23B7/154A23B7/159A23V2002/00A23V2200/10A23V2250/11A23V2250/126A23V2250/10A23V2250/132A23V2250/18
Inventor 李萍樊晓岚张引引闫师杰崔艳王海凤
Owner TIANJIN AGRICULTURE COLLEGE
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