Quality assurance method by high-quality composite degradation of pesticide residues in orange peels

A pesticide residue, high-quality technology, applied in pharmaceutical formulations, food preparations, cosmetic preparations, etc., can solve the problems of ineffective pesticides, unstable light, etc., and achieve the effect of improving the utilization rate

Inactive Publication Date: 2011-05-25
JIANGNAN UNIV +1
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Problems solved by technology

[0022] Technical scheme of the present invention: the present invention is based on the premise that the physical and chemical properties of pesticides are mainly water solubility, light instability, thermal instability, and easy decomposition und

Method used

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  • Quality assurance method by high-quality composite degradation of pesticide residues in orange peels

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Embodiment 1

[0028] Example 1 Pesticide Residue Degradation of Tangerine Peel in Xin'anjiang, Hangzhou

[0029] After peeling fresh Hangzhou Xin'anjiang real estate oranges, weigh about 4kg of orange peel, and prepare 5L Na 2 CO 3 Or NaOH solution (pH=11) and turn on the ozone generator, use a tube to introduce the generated ozone into the lye, the ozone concentration is 50mg / L, put the container containing the lye into the ultrasonic cleaner, and turn on the ultrasonic cleaner , where the ultrasonic intensity is 75W / cm 2 , frequency 20kHz, completely soak the orange peel in the lye, soak for 20min, and stir properly during the soaking process. After the composite immersion treatment is completed, transfer the orange peel to an ultrasonic cleaner filled with clean water, keep the ultrasonic intensity and frequency unchanged, soak in clean water for 5 minutes, and stir properly, at this time, mainly remove the decomposition of pesticides remaining on the surface of the orange peel Residu...

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Abstract

The invention provides a quality assurance method by high-quality composite degradation of pesticide residues in orange peels, belonging to the technical field of elimination of the pesticide residues in fruit and vegetable. The method comprises the following steps: selecting different varieties of high-quality orange peels as raw materials; compositely soaking the fresh orange peels in alkali liquor and ozone, and then soaking and washing the orange peels with clear water, and meanwhile carrying out ultrasonic washing during the process; and carrying out low-frequency (915MHz) microwave treatment so that the degradation rate of most part of organophosphorus, organochlorine and carbamate pesticides in the orange peels reaches over 80% and ethion and methamidophos can be fully degraded. The method has the advantages that a plurality of the original pesticide degradation methods are systematically screened and integrated, thus the defect of a single method such as different degradation degrees on different pesticides is avoided so as to eliminate the pesticide residues in the orange peel maximally; and by means of the composite method, loss of nutrition as well as color, aroma and taste components during the degradation process of the pesticide residues in the orange peels is lowered minimally so as to keep the original nutrition, flavor and color of the orange peels maximally.

Description

technical field [0001] The invention discloses a quality preservation method for composite degradation of high-quality orange peel pesticide residues. The invention relates to the degradation of pesticide residues in fruits and vegetables, and belongs to the technical field of removal of pesticide residues in fruits and vegetables. Background technique [0002] Citrus belongs to Rutaceae Citrus subfamily. Citrus is one of the main fruits in southern my country. Because of its color, aroma and taste, sweet and sour juicy, refreshing fragrance, mellow flavor and rich nutrition, it is deeply loved by people. According to statistics, my country's citrus planting area ranks first in the world, accounting for 18% of the world's total citrus planting area, with an annual output of more than 10.14 million tons, accounting for 11.79% of the world's total production, ranking third only after Brazil and the United States. bit. And the production and processing of citrus is accompanied ...

Claims

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Application Information

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IPC IPC(8): A23L1/015A61K36/752A61K8/97A23L5/20
Inventor 张慜袁吉泽余建伟
Owner JIANGNAN UNIV
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