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1-methyl cyclopropene and chitosan combined processing fresh-keeping method for special tropical fruits

A technology of methylcyclopropene and tropical fruits, which is applied in the direction of protecting fruits/vegetables with a protective coating to achieve good skin color, delayed color change, and good pulp flavor

Inactive Publication Date: 2009-01-28
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the combination of the two is expected to achieve better results, and there is no report on the combination of the two for fruit preservation.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Harvest ripe and fresh jujube, avocado or sapodilla, and immediately put them in a closed room and treat them with 10nL / L 1-methylcyclopropene for 0.5h after removing the fruits with diseases and insect pests, mechanically damaged fruits and fruitless fruits. , then the fruit is taken out from the airtight chamber, soaked immediately in the chitosan-based coating solution (the mass ratio is 1: 0.1: 0.5: 0.7) of the above-mentioned formula in the instructions for 30s, take out and blow dry or dry with a fan, Pack it in a foam net bag or paper bag, or in a carton or a basket lined with leaves, and store it at room temperature. Compared with untreated fruits, the fresh-keeping period of jujube was extended by 10 days, and the fresh-keeping period of avocado and sapodilla was extended by 12 days.

Embodiment 2

[0030] Harvest ripe and fresh jujube, avocado or sapodilla, and immediately put them in a closed room and treat them with 10nL / L 1-methylcyclopropene for 0.5h after removing the fruits with diseases and insect pests, mechanically damaged fruits and fruitless fruits. , and then the fruit is taken out from the airtight chamber, sprayed with the chitosan-based coating solution (the mass ratio of which is 1:0.1:0.5:0.7 in turn) of the above-mentioned formula in the instruction manual, dried with hot air at 40°C, and used after cooling. Packed in foam net bags or paper bags, or packed in cartons or baskets lined with leaves, and stored at room temperature. Compared with untreated fruits, the fresh-keeping period of jujube was extended by 10 days, and the fresh-keeping period of avocado and sapodilla was extended by 12 days.

Embodiment 3

[0032] Harvest ripe and fresh jujubes, avocados or sapodilla, and after removing pests and diseases, mechanically damaged fruits and fruitless fruits, put them in a closed room and treat them with 40 μL / L 1-methylcyclopropene for 48 hours, and then The fruit is taken out from the airtight chamber, placed in a ventilated environment, soaked in the chitosan-based coating solution (the mass ratio of which is 1:3:0.1:0.1 in turn) of the above-mentioned formula in the instruction manual after 48h, and blown by a fan when taken out. Dried or air-dried, packed in foam net bags or paper bags, or packed in cartons or baskets lined with leaves, and stored at room temperature. Compared with untreated fruits, the fresh-keeping period of jujube was extended by 12 days, and that of avocado and sapodilla was extended by 17 days.

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PUM

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Abstract

The invention relates to specific tropical fruit fresh-keeping method using 1-methyl cyclopropene and chitosan combined treatment, belongs to fruit fresh-keeping technology. The invention make the tropical fruit having higher retention period and attain maturity in different time. Tropical fruit such as american avocado, sapodilla fruit is treated with 1-methyl cyclopropene then coated with chitosan coating film. The invention can promote storage quality of ZizyphusmauritianaLam. american avocado, sapodilla, and prolong its storage life. ZizyphusmauritianaLam. fruit fresh-keeping period amount to 15-18 days,,which is 10-12 days longer than the fruit not being treated. Fruit fresh-keeping period of american avocado and sapodilla amount to 20-25 days, which is 12-17 days longer than the fruit not being treated. The invention make American avocado and sapodilla reach maturity in different time, and also overcome the unsafety of using drug as fresh-keeping agent.

Description

technical field [0001] The invention relates to a fresh-keeping method for characteristic tropical fruits jointly treated with 1-methylcyclopropene and chitosan, in particular to fresh-keeping jujube, avocado and sapodilla, and belongs to the technical field of fruit fresh-keeping. Background technique [0002] Maoye jujube, also known as Indian jujube, is rich in nutrition and has the title of "little tropical apple". Its flesh is crisp and sweet, and it is very popular among people. In recent years, jujube planting industry has developed rapidly in southern my country, but there is a lack of storage and preservation technology for jujube. Therefore, how to take simple and effective technical measures to prolong the storage life of Jujube and improve its fruit quality in order to obtain the greatest economic benefits is particularly important. [0003] Avocado, also known as avocado and avocado, is native to Mexico, Ecuador, Colombia and other countries in the tropical and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/16
Inventor 夏文水钟秋平姜启兴
Owner JIANGNAN UNIV
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