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Method for prolonging fresh keeping time of vegetables by combination of ultrasonic wave composite ozone water and controlled atmosphere

A modified atmosphere preservation and ozone water technology, which is applied in the fields of fruit and vegetable preservation, food preservation, food science, etc., can solve problems such as the inability to ensure the uniformity of the air supply of the air cooler, poor adjustability of the refrigeration system, and insufficient preservation time of fruits and vegetables. Achieve the effect of meeting the requirements of long-distance transportation, reducing vegetable loss and low cost

Inactive Publication Date: 2019-06-07
WUXI HAIHE EQUIP TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the application effect of the ship refrigeration system still has the following shortcomings: 1. The preservation time of fruits and vegetables is not long enough: the preservation of fruits and vegetables for 20 days can basically meet the food supply requirements of offshore voyages, but this guarantee capacity can no longer meet the freshness requirements of 60 days of ocean voyages. Requirements of more than 45 days; 2. In terms of temperature control, the cold storage adopts a constant temperature design and constant temperature operation, and the refrigeration system has poor adjustability, which cannot guarantee the uniformity of the air supply of the air cooler
Ultrasonic cleaning and disinfection are fast, non-toxic to people, and no damage to objects, but the disinfection is not thorough

Method used

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  • Method for prolonging fresh keeping time of vegetables by combination of ultrasonic wave composite ozone water and controlled atmosphere
  • Method for prolonging fresh keeping time of vegetables by combination of ultrasonic wave composite ozone water and controlled atmosphere
  • Method for prolonging fresh keeping time of vegetables by combination of ultrasonic wave composite ozone water and controlled atmosphere

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Example 1: The method of prolonging the storage and preservation period of Chinese cabbage by ultrasonic composite ozone water combined with controlled atmosphere

[0039] Clean the picked and sorted fresh Chinese cabbage in an ultrasonic cleaner filled with 0.62mg / L ozone water after removing the sludge. The ultrasonic cleaning conditions are: power 180W / kg, frequency 20KHz, processing time 10min, the treatment temperature is 20°C. Put the Chinese cabbage treated with ultrasonic composite ozone water to dry naturally, put it in the frame, and cover it with a layer of plastic wrap. The specification of the plastic wrap is length×width×thickness: 1m×1m×0.05mm, the length, width and height of the frame used The size is 510cm×355cm×310cm; the weight of each basket of vegetables is kept at 3Kg. Put the framed vegetables in the modified atmosphere fresh-keeping store, set the parameters of the modified atmosphere fresh-keeping: the gas composition is: 5±1%O 2 , 10±1% CO 2...

Embodiment 2

[0040] Example 2: Ultrasonic composite ozone water combined with modified atmosphere to extend the storage period of tomatoes

[0041]After removing the sludge from the picked and sorted fresh tomatoes, place them in an ultrasonic cleaner filled with 1.66mg / L ozone water for cleaning. The conditions for ultrasonic cleaning are: power 180W / kg, frequency 20KHz, processing time 10min The treatment temperature is 20°C; the tomatoes treated with ultrasonic composite ozone water are naturally dried and placed in a frame, and covered with a layer of plastic wrap. The specification of the plastic wrap is length×width×thickness: 1m×1m×0.05mm, the length of the frame used , The width and height dimensions are 510cm×355cm×310cm; the quality of each basket of vegetables is kept at 3Kg. Put the framed vegetables in the modified atmosphere fresh-keeping store, set the parameters of the modified atmosphere fresh-keeping: the gas composition is: 6±1%O 2 , 4±1% CO 2 , 90±1%N 2 , temperature...

Embodiment 3

[0042] Embodiment 3: The method for prolonging the storage period of loofah with ultrasonic composite ozone water combined with controlled atmosphere

[0043] Remove the sludge from the picked and sorted fresh loofah and place it in an ultrasonic cleaner filled with 1.84mg / L ozone water for cleaning. The ultrasonic cleaning conditions are: power 300W / kg, frequency 20KHz, processing time 10min , the treatment temperature is 20°C; the loofah treated with ultrasonic composite ozone water is naturally dried and placed in a frame, and covered with a layer of plastic wrap. The specification of the plastic wrap is length×width×thickness: 1m×1m×0.05mm The length, width and height dimensions are 510cm×355cm×310cm; the weight of each basket of vegetables is kept at 3Kg. Put the framed vegetables in the modified atmosphere fresh-keeping store, set the parameters of the modified atmosphere fresh-keeping: the gas composition is: 6±1%O 2 , 4±1% CO 2 , 90±1%N 2 , temperature: 9±1℃, relati...

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Abstract

The invention discloses a method for prolonging fresh keeping time of vegetables by combination of ultrasonic wave composite ozone water and controlled atmosphere, and belongs to the technical field of storing and fresh keeping of agriculture products. The method comprises the following steps of selectively picking fresh vegetables, performing sorting, performing fresh keeping through combinationof ultrasonic wave composite ozone water and controlled atmosphere, and during the storage mid period, performing treatment with ozone gas treatment to perform coprocessing on the vegetables for freshkeeping, so as to prolong the storage period. According to the method, quality and nutrient components of the vegetables during the storage period can be well maintained, the storage period of the vegetables can be prolonged to 60 days, and the method is suitable for oversea sail, so that the inconvenience and the cost of side dish during halfway for oversea ships can be greatly saved.

Description

technical field [0001] The invention relates to a method for prolonging the fresh-keeping period of vegetables in combination with ultrasonic composite ozone water and air conditioning, and belongs to the technical field of storage and fresh-keeping of agricultural products. Background technique [0002] Fresh fruits and vegetables are an integral part of the crew’s diet. Fresh fruits and vegetables are still breathing after they are picked. Nutrients such as carbohydrates are consumed, the nutritional value of fruits and vegetables is lost, and the appearance and taste of fruits and vegetables will also change. , It is not conducive to the supply of nutrition for the crew, so the preservation of fruits and vegetables is particularly important during the voyage of the ship. Ships mostly use refrigeration systems to store fruits and vegetables, which are generally composed of refrigeration cabins, cold storage, refrigeration devices and their equipment and accessories. At pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/152A23B7/157A23L5/00
Inventor 张慜章潇天过志梅于志强张学栋
Owner WUXI HAIHE EQUIP TECH CO LTD
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