Method for simultaneously detecting residual amoxicillin, amoxicillin acid, diketopiperazine amoxicillin and ampicillin in egg

A technology of amoxicillin acid and amoxicillin, which is applied in the field of veterinary drug residue detection, can solve the problems of not being able to detect and confirm amoxicillin residues at the same time, and achieve the effect of high sensitivity

Inactive Publication Date: 2012-10-03
YANGZHOU UNIV
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Problems solved by technology

The Chinese patent application with application number 2011101751979 discloses a method for simultaneously detecting amoxicillin and ampicillin in eggs by HPLC / FLD method, but this method cannot simultaneously detect and confirm amoxicillin, amoxicillin acid, diketoperil Amoxicillin and ampicillin residues in eggs and meet EU standards

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  • Method for simultaneously detecting residual amoxicillin, amoxicillin acid, diketopiperazine amoxicillin and ampicillin in egg
  • Method for simultaneously detecting residual amoxicillin, amoxicillin acid, diketopiperazine amoxicillin and ampicillin in egg
  • Method for simultaneously detecting residual amoxicillin, amoxicillin acid, diketopiperazine amoxicillin and ampicillin in egg

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[0027] The terms used in the present invention, unless otherwise specified, generally have the meanings commonly understood by those skilled in the art.

[0028] The present invention will be described in further detail below in conjunction with specific examples and with reference to data. It should be understood that these examples are only for illustration of the present invention, but not to limit the scope of the present invention in any way.

[0029] In the following examples, various procedures and methods not described in detail are conventional methods well known in the art. The sources and trade names of the reagents used, as well as those whose components must be listed, are indicated when they appear for the first time, and the same reagents used thereafter are the same as those indicated for the first time unless otherwise specified.

[0030] The solution percentage concentration involved in the present invention is the mass percentage concentration unless otherw...

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Abstract

The invention belongs to the field of veterinary drug residue detection, in particular relating to a method for simultaneously detecting residual amoxicillin (AMO), amoxicillin acid (AMA), diketopiperazine amoxicillin (DIKETO) and ampicillin (AMP) in an egg. The method comprises the steps of extracting and purifying egg samples, and detecting the egg samples by taking acetonitrile-0.1% formic acid as a mobile phase by adopting a high performance liquid chromatography-tandem mass spectrometry method. Through the method for simultaneously detecting the residual amoxicillin, amoxicillin acid, diketopiperazine amoxicillin and ampicillin in the egg as disclosed by the invention, the residue of the amoxicillin, the amoxicillin acid, the diketopiperazine amoxicillin and the ampicillin in the egg can be simultaneously detected, and the invention meets with the European Union standard.

Description

technical field [0001] The invention belongs to the field of detection of veterinary drug residues, and in particular relates to a method for simultaneously detecting residues of amoxicillin, amoxicillin acid, diketopiperazine, amoxicillin and ampicillin in eggs. Background technique [0002] At present, there are many reports on the residue detection methods of amoxicillin, amoxicillin acid, diketopiperazine amoxicillin and ampicillin at home and abroad, mainly including HPLC / UV method, HPLC / FLD method and HPLC-MS / MS Law. The HPLC / UV method has more impurity peaks and greater interference in the sample, which requires high purification of the sample, and the sensitivity of the UV detector is low. The HPLC / FLD method has high sensitivity, fewer sample impurity peaks, and lower requirements for sample purification, but amoxicillin, amoxicillin acid, diketopiperazine amoxicillin and ampicillin themselves have no fluorescence absorption, and the sample needs to be derivatized ...

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Application Information

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IPC IPC(8): G01N30/02G01N30/06
Inventor 谢恺舟贾龙飞陈学森张小杰谢星孙瑛瑛李爱华赵敏张跟喜戴国俊王金玉
Owner YANGZHOU UNIV
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