Degrading method of pesticide residues in ginseng oral liquid by utilizing radiation

A technology of oral liquid and ginseng, which is applied in the field of radiation degradation, can solve problems affecting the safety of oral liquid use, and achieve the effects of fast reaction rate, wide adaptability, and high degradation efficiency

Inactive Publication Date: 2013-09-25
ANIMAL & PLANT & FOOD INSPECTION CENT OF TIANJIN ENTRY EXIT INSPECTION & QUARANTINE BUREAU
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  • Description
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  • Application Information

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Problems solved by technology

The inevitable pesticide residues in the production process of ginseng oral liquid products affect the safety of the oral liquid, but there is no report on how to control the degradation of pesticide residues in ginseng oral liquid

Method used

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  • Degrading method of pesticide residues in ginseng oral liquid by utilizing radiation
  • Degrading method of pesticide residues in ginseng oral liquid by utilizing radiation
  • Degrading method of pesticide residues in ginseng oral liquid by utilizing radiation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A kind of irradiation processing method of ginseng oral liquid:

[0024] Select the ginseng oral liquid commodity of 10mL brown bottle on the market for use, and this commodity does not contain six kinds of pesticides such as methadon involved in the present invention through inspection. The selected six kinds of pesticide standard solutions to be tested were added to the ginseng oral liquid commodity with reference to the limit standards of countries such as the European Union, and the added concentration was about 0.200 mg / kg. Three parallel samples were set up during irradiation, and a blank control was set up at the same time. The ginseng oral liquid sample added with the above solution was placed under the irradiation window of an electron accelerator, irradiated with a dose of 5 kGy, and the electron accelerator was turned on for electron beam irradiation.

[0025] After the sample solution before and after irradiation was extracted by the following pretreatment ...

Embodiment 2

[0036] The irradiation dose in Example 1 was changed to 15kGy, and all other conditions were unchanged. The degradation rate of imidacloprid is greater than 90%, which belongs to significant degradation, the degradation rate of fenpropathrin is greater than 50%, and the degradation rates of the other four pesticides are also more than 30%.

[0037] The data of Examples 1-2 are detailed in Table 1.

Embodiment 3

[0039]In Example 1, the irradiation dose was changed to 10kyG, the additive dose was changed to 0.05mg / kg, and the rest of the conditions remained unchanged. The degradation rate of tefenthion is 14.6%, and the residue is 0.043mg / kg, which is in line with the EU and other countries' residue limit standards.

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Abstract

The invention provides a degrading method of pesticide residues in ginseng oral liquid by utilizing radiation, and belongs to the technical field of pesticide residue degrading treatment in Chinese herbal medicines. The method is to treat the ginseng liquid containing multiple pesticides (methidathion, fonofos, diazinon, phosalone, imidacloprid, fenpropathrin totally six forbidden or restricted pesticides) by adopting an electronic accelerator which produces high-energy electrons in the radiation condition, so that the pesticides are degraded, wherein the energy of the electron accelerator is 7.5MeV and the electron radiation dose is between 2 and 15kGy; and concentrations of the six pesticides are detected by an ultra-high performance liquid chromatography-tandem mass spectrometer after radiation so as to determine the degrading effect. By adopting the method, residues of the six pesticides in the ginseng oral liquid can be reduced or eliminated efficiently, quickly and safely, and the degrading rates of the six related pesticides are over 30 percent in 15kGy radiation, so that the limit standard of European Union and other countries can be achieved. The degrading method provides a good idea for degrading of pesticides in ginseng oral liquid, and has wide development prospect.

Description

technical field [0001] The invention belongs to the technical field of degradation treatment of pesticide residues in Chinese herbal medicines, and in particular relates to an electron beam irradiation method for degrading methapon, fenfofos, diazinon, thionon, imidacloprid, and cyanide in commercial products of ginseng oral liquid Irradiation degradation method of six banned and restricted pesticides including permethrin. Background technique [0002] my country is the birthplace of Chinese herbal medicine. After years of unremitting efforts, foreign countries have gradually affirmed the important position of Chinese herbal medicine in the field of medical and health care. However, the problem of pesticide residues in Chinese herbal medicines has become the main reason why the export of Chinese herbal medicines is blocked in my country, and it is the most difficult barrier to overcome this precious cultural heritage of our country to the world. At present, developed countr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L1/015A23L1/025A23L1/29A23L5/20A23L5/30A23L33/00
Inventor 陈其勇吴若昕何佳韩红芳
Owner ANIMAL & PLANT & FOOD INSPECTION CENT OF TIANJIN ENTRY EXIT INSPECTION & QUARANTINE BUREAU
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