Multi-residue determination of five quinoxalines and three their metabolites in poultry feathers and its application for depletions of olaquindox and quincetone in chickens
文献类型： 外文期刊
第一作者： Song, Zhanteng
作者： Song, Zhanteng;Zhu, Jingrong;Song, Zhanteng;Fan, Xia;Xiao, Zhiming;Li, Yang;Wang, Shi;Suo, Decheng
作者机构：
关键词： Quinoxalines; Metabolites; Feathers; Depletion
期刊名称：JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS （ 影响因子：3.4； 五年影响因子：3.3 ）
ISSN： 0731-7085
年卷期： 2023 年 236 卷
页码：
收录情况： SCI
摘要： A method for the simultaneous determination of eight quinoxalines and their metabolites in poultry feathers was developed in this study using ultra-performance liquid chromatography combine with quadrupole linear ion trap electrostatic field orbit trap high resolution mass spectrometer. Specificity, matrix effect, linearity, trueness, repeatability, reproducibility, and stability using the Commission of the European Communities, Regulation (EU) 2021/808. The correlation coefficients were all greater than 0.99. The average recoveries of the eight compounds ranged from 76.1% to 112.8%, with coefficient of variation of less than 15%. The limits of detection and quantification of the method were 0.04-0.1 & mu;g/kg and 0.12-0.3 & mu;g/kg, respectively. The method has been successfully applied to depletions of olaquindox and quincetone in feathers of laying hens. Methylquinoxaline-2-carboxylic acid and quincetone are the main metabolites in olaquindox and quincetone in feather, respectively.
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