Detection method for fluoroquinolone medicine residues in cow milk

A technology of fluoroquinolones and detection methods, which is applied in the field of detection of fluoroquinolone drug residues, and can solve problems such as low solubility and unsatisfactory enrichment effect

Inactive Publication Date: 2018-05-18
FOSHAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the solubility of fluoroquinolones (FQs) in water is very low, and the enrichment effect on common commercial ODS solid-phase extraction columns is not ideal. A strong adsorbent is of great significance

Method used

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Embodiment Construction

[0015] The following describes the present invention in detail with reference to embodiments, so as to facilitate the understanding of the present invention by those skilled in the art. It is necessary to point out here that the embodiments are only used to further illustrate the present invention and cannot be understood as limiting the scope of protection of the present invention. Those skilled in the art will make non-essential improvements and improvements to the present invention based on the above-mentioned content of the invention. The adjustment should still belong to the protection scope of the present invention. At the same time, the raw materials mentioned below that are not described in detail are all commercially available products; the process steps or preparation methods not mentioned in detail are all process steps or preparation methods known to those skilled in the art.

[0016] A method for detecting fluoroquinolone drug residues in milk, which is characterized...

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Abstract

The invention discloses a detection method for fluoroquinolone medicine residues in cow milk, which comprises the following assay steps: (1) a standard stock solution is prepared; (2) a standard working solution III is prepared; (3) the cow milk is preprocessed; (4) a standard curve is drawn; (5) a to-be-assayed cow milk sample is detected. The detection method can quickly, efficiently, accurately, qualitatively and quantitatively determine the amounts of enrofloxacin, ciprofloxacin, sarafloxacin and difloxacin medicine residues in the cow milk, and can be widely applied to the batch detectionof the amounts of fluoroquinolone medicine residues in cow milk samples.

Description

Technical field [0001] The invention relates to the field of drug residue detection, in particular to a method for detecting fluoroquinolone drug residues. Background technique [0002] Because fluoroquinolone drugs (FQs) have a long metabolic time in animals and are not easily degraded in the environment, they inevitably bring potential harm to our food safety. Therefore, in order to ensure food safety, countries around the world have The use of) and the safety limit in food are restricted. At present, drug residues are only allowed in countries and regions such as my country, the European Union, Japan, and Hong Kong. Among them, the European Union stipulates that the residual amount of fluoroquinolones (FQs) in animal muscles, liver and kidneys shall not exceed 30μg kg-1. In order to adapt to the development at home and abroad, the establishment of sensitive and efficient fluoroquinolones (FQs) detection methods is an urgent task. At the same time, because the residues of fluo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/02G01N30/06
CPCG01N30/02G01N30/06
Inventor 廖洁丹李智丽杨鸿
Owner FOSHAN UNIVERSITY
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