Method and composition for eliminating or alleviating phytotoxicity of methyl bromide fumigated citrus fruits

A citrus and methyl bromide technology, which is applied in the fields of fruit and vegetable preservation, protection of fruits/vegetables with protective coating, food science, etc. , the effect of good application prospects

Active Publication Date: 2017-11-24
CHINESE ACAD OF INSPECTION & QUARANTINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From the above results, it can be seen that citrus fruits such as tangerines and navel oranges are more sensitive to fumigation with methyl bromide, and after fumigation, the shelf life will be shortened and the commercial value will be seriously lost
[0013] Since there is currently no economically feasible alternative technology for fumigation with methyl bromide, it is urgent to develop a matching technology for fumigation with methyl bromide to eliminate or reduce the phytotoxicity of citrus fruits after fumigation with methyl bromide, so as to ensure the smooth export of citrus fruits in my country.

Method used

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  • Method and composition for eliminating or alleviating phytotoxicity of methyl bromide fumigated citrus fruits
  • Method and composition for eliminating or alleviating phytotoxicity of methyl bromide fumigated citrus fruits
  • Method and composition for eliminating or alleviating phytotoxicity of methyl bromide fumigated citrus fruits

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1: The aqueous solution immersion that contains salicylic acid and sodium dehydroacetate is combined with the waxing treatment that contains cinnamaldehyde to the influence of methyl bromide phytotoxicity

[0045] In this example, the effect of immersion in an aqueous solution containing salicylic acid and sodium dehydroacetate combined with waxing treatment with a wax solution containing cinnamaldehyde on the phytotoxicity of methyl bromide was tested. That is, fresh ugly oranges are first soaked in aqueous solutions containing different concentrations of salicylic acid and sodium dehydroacetate at 20-25°C for 10 minutes, and after draining, they are waxed with wax solutions added with different concentrations of cinnamaldehyde. After draining, fumigate with methyl bromide, that is, at 20°C, use 40g / m 3 Fumigate with methyl bromide for 3 hours, disperse air for 2 hours, refrigerate at 5°C for 3 weeks, then place at room temperature at 20-25°C for 6 days to o...

Embodiment 2

[0079] Embodiment 2: Simulation verification experiment of joint processing technology

[0080] In this example, a total of 1,000 Ugly oranges were pretreated using two combined treatment conditions, and then fumigated. The untreated Ugly oranges were used as a control to compare the phytotoxicity and quality indicators. Treatment conditions and results are shown in Table 11 and Table 12:

[0081] Verification experiment of the inhibitory effect of table 11 combined treatment on methyl bromide injury

[0082]

[0083] The impact of table 12 combined treatment on citrus quality

[0084] group

Soluble sugar (%)

Acid value(%)

control group

15.5±0.9a

0.74±0.10a

treatment group 1

15.3±0.7a

0.70±0.7a

treatment group 2

15.7±0.6a

0.73±0.8a

[0085] Note: The same lowercase letters indicate no significant difference (p>0.05)

[0086] The results in Table 11 and Table 12 show that the above combined treatment can effecti...

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Abstract

The present invention relates to a method and a composition for eliminating or alleviating phytotoxicity of methyl bromide fumigated citrus fruits, and the method comprises the steps of soaking the citrus fruits to be fumigated, draining, waxing, and fumigating, the soaking treatment is as follows: the citrus fruits to be fumigated are soaked with an aqueous solution containing salicylic acid and sodium dehydroacetate, and the waxing treatment is as follows: a wax solution containing cinnamic aldehyde is used for waxing the soaked and drained citrus fruits. The method can effectively inhibit the phytotoxicity caused by the methyl bromide fumigation, has no adverse effect on the quality of the citrus fruits, can fit post-harvest processing procedures of the citrus fruits, and has good application prospects in exporting citrus fruits.

Description

technical field [0001] The invention relates to a method and composition for eliminating or alleviating phytotoxicity of methyl bromide fumigation of fruits, in particular to a method and composition for eliminating or mitigating phytotoxicity of citrus fruits fumigated by methyl bromide, and belongs to the field of quarantine treatment. Background technique [0002] Citrus fruits are one of the main fruits produced in my country, with huge export potential. However, the main citrus production areas in my country overlap with the areas where harmful organisms such as fruit flies and spider mites occur in China. Major citrus importing countries such as the United States and Australia generally require Chinese citrus to be quarantined before export in order to prevent the cross-border spread of harmful organisms with citrus fruits. Kill the fruit flies, spider mites and other harmful organisms that may be carried in it. [0003] At present, the internationally accepted quarant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/16A23B7/154
CPCA23B7/154A23B7/16A23V2002/00A23V2200/22A23V2250/21A23V2250/02
Inventor 刘涛李丽张广平李柏树
Owner CHINESE ACAD OF INSPECTION & QUARANTINE
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