A dynamic controlled atmosphere storage method based on heat shock and electrolytic water treatment to delay softening and dehydration of fresh jujube

A technology for controlled atmosphere storage and water electrolysis, applied in the field of ice temperature dynamic controlled atmosphere storage, can solve problems such as easy water loss and softening, and achieve the effects of good preservation effect, convenient operation and risk reduction.

Active Publication Date: 2022-05-24
HUNAN AGRI PRODS PROCESSING INST
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Problems solved by technology

In view of the fact that the existing storage and preservation of fresh jujube is mainly based on chemical preservation and is easy to soften due to water loss, it is urgent to combine actual production with the development of a rapid pre-cooling, ozone water cleaning, heat shock synergistic electrolysis water treatment, and ice temperature dynamic air conditioning. Fresh-keeping method combined with storage

Method used

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  • A dynamic controlled atmosphere storage method based on heat shock and electrolytic water treatment to delay softening and dehydration of fresh jujube
  • A dynamic controlled atmosphere storage method based on heat shock and electrolytic water treatment to delay softening and dehydration of fresh jujube
  • A dynamic controlled atmosphere storage method based on heat shock and electrolytic water treatment to delay softening and dehydration of fresh jujube

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Embodiment 1

[0038] An ice temperature dynamic controlled atmosphere storage method based on heat shock synergistic electrolysis water treatment to delay softening and water loss of fresh jujube, such as figure 1 It includes primary selection and grading, pre-cooling, cleaning, heat shock synergistic electrolyzed water treatment, air-drying and cooling, packaging, and ice-temperature dynamic controlled atmosphere storage for fresh jujube fruits, specifically:

[0039] (1) Primary selection and grading: select seven or eight mature jujube fruits with no obvious mechanical damage, no pests and diseases, and no cracks. 6.2g, the longitudinal diameter of the fruit is 2.8cm, and the transverse diameter of the fruit is 2.2cm.

[0040] (2) Pre-cooling: According to 60% of the volume of the pre-cooling cavity of the vacuum pre-cooler, the golden jujube fruit obtained after the primary selection and classification in step (1) is placed in the pre-cooling cavity of the vacuum pre-cooler Pre-cooling...

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Abstract

The invention discloses an ice-temperature dynamic controlled-atmosphere storage method for delaying the softening and dehydration of fresh jujubes based on heat shock and electrolytic water treatment, which comprises the following steps: pre-cooling fresh jujubes; pre-cooling fresh jujubes after precooling Cleaning; placing the cleaned fresh jujubes in electrolytic water for heat shock treatment; air-drying and cooling the fresh jujubes after heat shock treatment; packaging the fresh jujubes after air-drying and cooling; packing fresh Jujube fruits were stored under ice temperature and dynamic controlled atmosphere. The present invention is based on the heat-shock synergistic electrolytic water treatment to delay the softening and dehydration of fresh jujube. The ice temperature dynamic controlled atmosphere storage method has the advantages of simple process, convenient operation, safety and environmental protection, good fresh-keeping effect, and high economic benefit, and can degrade pesticides in jujube fruits. Residues can be used on a large scale to preserve the freshness and quality of fresh jujubes, which is of great significance for improving the quality of fresh jujubes, commodity value and increasing the income of jujube farmers.

Description

technical field [0001] The invention belongs to the technical field of storage and preservation of agricultural products, and relates to an ice-temperature dynamic controlled atmosphere storage method based on heat shock synergistic electrolytic water treatment to delay softening and dehydration of fresh jujube. Background technique [0002] Jujube (Zizyphus jujuba Mill) belongs to the jujube genus of the rhamnaceae family and is distributed in more than 30 countries in Asia, Europe, America, Africa and Oceania. It is a fruit tree with high economic value. Jujube fruit is the largest dried fruit in the world. According to data from the China Bureau of Statistics, in 2015, the annual output of red jujube in my country was as high as 8.0758 million tons. Jujube fruit has high nutrition and efficacy, and is a kind of natural food with the same origin of medicine and food. The chemical composition research shows that: Jujube fruit mainly contains polysaccharides, phenolic acids...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/005A23B7/04A23B7/144A23B7/153A23B7/154A23L5/20
CPCA23B7/0053A23B7/04A23B7/144A23B7/153A23B7/154A23L5/21A23L5/27
Inventor 丁胜华单杨张菊华李高阳付复华张群杨绿竹
Owner HUNAN AGRI PRODS PROCESSING INST
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