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Preservation packaging method for late flowering Chinese cabbages

A technology of fresh-keeping packaging and cabbage, which is applied to the preservation, transportation and packaging of fruits and vegetables, and special packaging objects, etc., can solve the problems of affecting the quality and commodity value of cabbage, long growth cycle of cabbage, affecting the flavor of vegetables, etc. The flower moss is open, which is beneficial to antiseptic preservation and preventing water evaporation.

Pending Publication Date: 2021-06-08
SERICULTURE & AGRI FOOD RES INST GUANGDONG ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Zengcheng Chicaixin has a long growth cycle and is not easy to store. After harvesting, the stem tissue is gradually hollowed out from the base while maintaining a bright green appearance, which seriously affects the quality and commodity value of Chinese cabbage.
[0004] In the prior art, there is a method of using essential oil fumigation to preserve the freshness of Chinese cabbage, but the cost of essential oil fumigation is relatively high, and its taste may penetrate into vegetables and affect the flavor of vegetables

Method used

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  • Preservation packaging method for late flowering Chinese cabbages
  • Preservation packaging method for late flowering Chinese cabbages
  • Preservation packaging method for late flowering Chinese cabbages

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A fresh-keeping packaging method for Zengcheng Chicai Xin

[0032] 1) Pre-treatment: Pick Chicai Xin with no pests and diseases and unopened flower moss, cut the Chicai Heart at a height of 35-40cm, wipe or shake off the water on the surface of Chicai Heart after washing, and smear 20% of the base of the stem Sterilize with oxidized urea solution, place it in a 5°C environment so that the temperature of Chicai Xin is below 10°C for pre-cooling;

[0033] 2) Fresh-keeping packaging treatment: 45cm×30cm, density 0.91g / cm 3 ~0.93g / cm 3 The low-density polyethylene functional atmosphere bag is used to pack Chicai Xin, and to irradiate with LED light, first irradiate with blue light with a wavelength of 430nm for 10 minutes, then irradiate with red light with a wavelength of 680nm for 5 minutes, and then place it in a foam box for 20 minutes. ℃ constant temperature storage;

[0034] The oxygen transmission rate of the low density polyethylene functional atmosphere bag is 1...

Embodiment 2

[0038] A fresh-keeping packaging method for Zengcheng Chicai Xin

[0039] 1) Pre-treatment: Pick Chi Caixin without pests and diseases and with unopened moss, cut Chi Caixin to a height of 35-40cm, wipe or shake off the water on the surface of Chi Caixin after washing, and smear 10% of the base of the stem with two Sterilize with methyl dicarbonate solution, place in a 4°C environment so that the temperature of Chicai Xin is below 10°C for pre-cooling;

[0040] 2) Fresh-keeping packaging treatment: the density is 0.91g / cm 3 ~0.93g / cm 3 The low-density polyethylene functional atmosphere bag is used to pack Chicai Xin, and to irradiate with LED light, first irradiate with blue light with a wavelength of 440nm for 15 minutes, then irradiate with red light with a wavelength of 700nm for 5-10 minutes, and then place it in a foam box , stored at a constant temperature of 20°C;

[0041] The oxygen transmission rate of the low-density polyethylene functional modified atmosphere bag...

Embodiment 3

[0045] A fresh-keeping packaging method for Zengcheng Chicai Xin

[0046] 1) Pre-treatment: Pick Chi Cai Xin without pests and diseases and with unopened flower moss, cut Chi Cai Xin to a height of 35-40 cm, wipe or shake off the water on the surface of Chi Cai Xin after washing, and apply ozone to 30% of the base of the stem Aqueous solution disinfection, placed in 4 ℃ environment so that the temperature of Chi Caixin is below 10 ℃ for pre-cooling;

[0047] 2) Fresh-keeping packaging treatment: the density is 0.91g / cm 3 ~0.93g / cm 3 The low-density polyethylene functional atmosphere bag is used to pack Chicai Xin, and to irradiate with LED light, first irradiate with blue light with a wavelength of 440nm for 16 minutes, then irradiate with red light with a wavelength of 715nm for 8 minutes, and then place it in a foam box for 20 minutes. ℃ constant temperature storage;

[0048] The oxygen transmission rate of the low-density polyethylene functional modified atmosphere bag is ...

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Abstract

The invention belongs to the technical field of vegetable preservation, and particularly relates to a preservation packaging method for late flowering Chinese cabbages. The preservation packaging method comprises the following steps: 1) carrying out pretreatment, specifically, picking the late flowering Chinese cabbages, cleaning the late flowering Chinese cabbages, disinfecting the stem base parts and carrying out precooling; and 2) carrying out preservation packaging treatment, specifically, packaging the late flowering Chinese cabbages by adopting low-density polyethylene functional air-conditioning bags, carrying out LED lamp illumination and then placing the late flowering Chinese cabbages in a foam box. The low-density polyethylene functional air-conditioning bags are made of low-density polyethylene LDPE, and the LED lamp illumination adopts red and blue light combined illumination; a mild and effective sterilization solution is adopted, and in combination with low temperature and the method adopting the air-conditioning bags, quality deterioration such as leaf moisture evaporation, water loss withering, flower bud blooming and hollow stem part can be remarkably prevented; and in combination with the red and blue light combination, the clean late flowering Chinese cabbages are properly disinfected and sterilized, so that the activity of microorganisms is inhibited, excessive water vapor evaporation can be reduced, the operation method is simple, effective, safe and environment-friendly, and preservation is facilitated in the normal-temperature transportation process.

Description

technical field [0001] The invention belongs to the technical field of fresh-keeping of vegetables, and in particular relates to a fresh-keeping packaging method for late cabbage. Background technique [0002] Chi Cai Xin is a famous specialty in the area north of Zengcheng and south of Nankun Mountain. Zengcheng Chicaixin is one of the characteristic vegetables widely planted in Zengcheng District, Guangzhou City. It is a product protected by national geographical indications. The stems and leaves of Zengcheng Chicaixin are edible and nutritious, and are deeply loved by the general public. [0003] By 2019, the planting area of ​​Zengcheng Chicaixin has exceeded 55,000 mu, with a total output value of 580 million yuan. The sales of Zengcheng Chicaixin continue to expand from South China to the Yangtze River Delta and the Beijing-Tianjin-Hebei region, which poses a huge challenge to the fresh-keeping technology of Zengcheng Chicaixin in post-harvest storage, transportation ...

Claims

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Application Information

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IPC IPC(8): A23B7/154A23B7/157A23B7/04A23B7/148A23B7/015B65D81/20
CPCA23B7/154A23B7/157A23B7/04A23B7/148A23B7/015B65D81/20A23V2002/00
Inventor 王玲陈于陇叶明强陈飞平戚英伟罗政陈敏惠李佳鸿
Owner SERICULTURE & AGRI FOOD RES INST GUANGDONG ACAD OF AGRI SCI
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