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Freeze-preservation method of fruits and vegetables

A technology for freezing and preserving fruits and vegetables, which is applied in the direction of freezing/cold preservation of fruits/vegetables and food processing, etc. It can solve problems such as deterioration of quality, impact on sales and revenue, and decline, so as to prevent deterioration or quality decline, facilitate freshness, The effect of reducing the load

Inactive Publication Date: 2015-10-07
TONGLING XINMENGXIANG AGRI & ANIMAL HUSBANDRY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using cold storage to keep fresh fruits and vegetables, inappropriate or inappropriate operation will affect the freshness effect of fruits and vegetables, so that fruits and vegetables cannot be stored for a long enough time, deteriorate or decline in quality during storage, and affect later sales and income

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of frozen fresh-keeping method of broccoli provided by the invention comprises the following steps:

[0020] (1), select broccoli: remove the broccoli with disease and body damage;

[0021] (2), cleaning the broccoli: put the broccoli into clean water to clean;

[0022] (3) Pre-cooling broccoli: Put the broccoli in the cooling water tank, the outlet and inlet pipes of the cooling water tank are connected to the heat exchanger, and the refrigerant in the heat exchanger is in circulation with the cooling medium in the ice water tank , the ice water tank is circulated with the refrigeration unit; during pre-cooling, the cooling medium in the ice water tank is used to force-cool the cooling water in the broccoli cooling water tank through the heat exchanger, and the pre-cooling of the broccoli is quickly completed;

[0023] (4) Frozen broccoli: Pack the pre-cooled broccoli in a ventilated container, put them in the cold storage for stacking after packing, leave gaps...

Embodiment 2

[0028] A kind of frozen and fresh-keeping method for nectarines, comprising the following steps:

[0029] (1), select nectarines: remove the nectarines with disease and body damage, and remove the branches and leaves of the remaining nectarines;

[0030] (2), cleaning nectarines: put nectarines into clear water to clean;

[0031] (3) Pre-cooling the nectarines: Put the nectarines into the cooling water tank, the water outlet and water inlet pipes of the cooling water tank are connected to the heat exchanger, and the refrigerant in the heat exchanger is in circulation with the cooling medium in the ice water tank , the ice water tank is circulated with the refrigeration unit; during pre-cooling, the cooling medium in the ice water tank is used to forcibly cool the cooling water in the nectarine cooling water tank through the heat exchanger, and the pre-cooling of the nectarines is quickly completed;

[0032] (4) Frozen nectarines: Pack the pre-cooled nectarines in a ventilated...

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PUM

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Abstract

The present invention discloses a freeze-preservation method of fruits and vegetables, which includes the following steps: selecting, washing, and freezing fruits and vegetables, and adjusting temperature and humidity of a cold storage, ventilating the cold storage, etc. The fruits and vegetables are rapidly pre-cooled after being selected and washed, which reduces the quick-freezing load of the cold storage, not only is beneficial for the preservation of the fruits and vegetables, but also saves energy; and at the same time, by combining ventilation, the deterioration or quality decline of the fruits and vegetables during storage can be effectively prevented, and therefore the fruits and vegetables can be stored for a long enough time.

Description

technical field [0001] The invention relates to the technical field of fresh-keeping of fruits and vegetables, in particular to a method for freezing and fresh-keeping of fruits and vegetables. Background technique [0002] With the development of the market economy, during the production, transportation, sale or storage of agricultural products such as fruits and vegetables, it is often necessary to freeze the fruits in cold storage to provide guarantee for the freshness of fruits and vegetables. When using cold storage to keep fresh fruits and vegetables, inappropriate or inappropriate operation will affect the fresh-keeping effect of fruits and vegetables, so that fruits and vegetables cannot be stored for a long enough time, deteriorate or decline in quality during storage, and affect later sales and income. Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, and provide a method for ...

Claims

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Application Information

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IPC IPC(8): A23B7/04
CPCY02P60/85
Inventor 黄义灯
Owner TONGLING XINMENGXIANG AGRI & ANIMAL HUSBANDRY TECH CO LTD
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