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Method for detecting quinolone drug residues in poultry animal feathers

A technology of poultry feathers and quinolones, applied in measuring devices, instruments, scientific instruments, etc., can solve problems that have not been reported

Pending Publication Date: 2021-08-06
HEBEI MEDICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there is no report on the detection of quinolone drugs in poultry feathers at home and abroad

Method used

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  • Method for detecting quinolone drug residues in poultry animal feathers
  • Method for detecting quinolone drug residues in poultry animal feathers
  • Method for detecting quinolone drug residues in poultry animal feathers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0130] Applying the method of the present invention to detect three kinds of veterinary drug residues in chicken feathers

[0131] Randomly select 5 healthy white-feathered broiler chickens (35 days old, about 2kg in weight) that were raised normally and did not take any drugs, and took 10 mg of enrofloxacin and sarafloxacin each day (ciprofloxacin is enrofloxacin Metabolites of chickens, so there is no need to take ciprofloxacin), continue taking for 5 days, then stop taking the medicine, slaughter after 5 days, take feathers from the chickens before slaughter for testing according to the above method, take muscles after slaughter and apply SN / T1751.2 - In 2007, the three veterinary drug residues in chicken were compared and tested, and the test results are shown in the table below.

[0132] Table 6 Comparison of the detection results of three kinds of quinolone veterinary drug residues

[0133]

[0134] From the data in the table, it can be concluded that after comparing...

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Abstract

The invention discloses a technology for detecting quinolone drug residues in poultry feathers, which applies an electrostatic field orbitrap-high resolution mass spectrometry technology to extract an accurate mass number of a target object and quantitatively determine a detected object, thereby realizing accurate determination of quinolone drugs in poultry feathers. The method provided by the invention has the advantages of simple and rapid pretreatment, high recovery rate, high sensitivity, and good stability and reproducibility.

Description

technical field [0001] The invention designs a method for detecting quinolone drug residues in poultry animal feathers and a method for detecting drug residues. Background technique [0002] Quinolones are synthetic antimicrobials with the basic structure of 4-quinolone (or pyroxic acid). In the N1, C5, C6, C7, and C8 of the 4-quinolone core, different groups are introduced to form quinolones with different characteristics. The mechanism of action of quinolones is to act on the DNA helicase of bacteria, so that the bacterial DNA cannot form supercoils, and the chromosomes are damaged, thereby producing a bactericidal effect. Its mechanism of action is to act on the DNA helicase of bacteria, so that the bacterial DNA cannot form supercoils, and the chromosomes are damaged, thereby producing a bactericidal effect. Quinolones are broad-spectrum antimicrobials and are widely used in animal husbandry for disease prevention and treatment. If people overuse animal-derived food c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/02G01N30/72
CPCG01N30/02G01N30/72G01N2030/027
Inventor 张晓光魏萌张华兴付雪瑞付炎贾凡聂文佳宋寒陈金婷
Owner HEBEI MEDICAL UNIVERSITY
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