Ice temperature dynamic controlled atmosphere storage method for delaying softening and water loss of fresh jujube based on cooperation of heat shock and electrolytic water treatment

A technology of controlled atmosphere storage and electrolysis of water, which is applied in the field of dynamic controlled atmosphere storage at ice temperature, can solve the problems of water loss and softening, achieve good fresh-keeping effect, prolong storage time, and degrade pesticide residues

Active Publication Date: 2019-04-02
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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  • Ice temperature dynamic controlled atmosphere storage method for delaying softening and water loss of fresh jujube based on cooperation of heat shock and electrolytic water treatment
  • Ice temperature dynamic controlled atmosphere storage method for delaying softening and water loss of fresh jujube based on cooperation of heat shock and electrolytic water treatment
  • Ice temperature dynamic controlled atmosphere storage method for delaying softening and water loss of fresh jujube based on cooperation of heat shock and electrolytic water treatment

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Embodiment 1

[0038] A dynamic controlled atmosphere storage method based on heat shock and electrolytic water treatment to delay the softening and dehydration of fresh jujube, such as figure 1 As shown, it includes primary selection and grading of fresh jujube fruits, pre-cooling, cleaning, heat-shock and electrolytic water treatment, air-drying and cooling, packaging, and ice-temperature dynamic controlled-atmosphere storage, specifically:

[0039] (1) Primary selection and grading: select jujube jujube jujube fruits that are seven or eight mature, have no obvious mechanical damage in appearance, no pests and diseases, and no cracks. The initial water content of jujube jujube is 70.6%, and the average single fruit weight is 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-cooling machine, the jujube jujube fruit obtained after the pr...

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Abstract

The invention discloses an ice temperature dynamic controlled atmosphere storage method for delaying softening and water loss of fresh jujube based on cooperation of heat shock and electrolytic watertreatment, wherein the method comprises the following steps: pre-cooling fresh jujube fruits; cleaning the fresh jujube fruits after pre-cooling; placing the fresh jujube fruits after cleaning in electrolytic water, and carrying out heat shock treatment; air-drying and cooling the fresh jujube fruits after heat shock treatment; packaging the fresh jujube fruits after air-drying and cooling; and carrying out ice temperature dynamic controlled atmosphere storage of the packaged fresh jujube fruits. The ice temperature dynamic controlled atmosphere storage method for delaying softening and waterloss of the fresh jujube based on cooperation of heat shock and electrolysis water treatment has the advantages of simple technology, convenient operation, safety, environmental protection, good fresh-keeping effect, high economic benefits and the like, can degrade pesticide residues in the jujube fruits, can be widely used for fresh keeping and quality keeping of the fresh jujube, and has great significance for improving the quality and commodity value of the fresh jujube and increasing the income of jujube farmers.

Description

technical field [0001] The invention belongs to the technical field of storage and fresh-keeping of agricultural products, and relates to an ice-temperature dynamic controlled-atmosphere storage method for delaying the softening and dehydration of fresh jujubes based on heat-shock synergistic electrolytic water treatment. Background technique [0002] Jujube (Zizyphus jujuba Mill) belongs to the Rhamnaceae jujube plant, which 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 the statistics of China Bureau of Statistics, in 2015, the annual output of jujube in my country reached 8.0758 million tons. Jujube fruit has high nutrition and efficacy, and is a natural food with both medicine and food. The study of chemical composition shows that jujube mainly contains active ingredients such as polysaccharides, phenolic acids, flavono...

Claims

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Application Information

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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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