Simultaneous determination of cyromazine and dicyclanil in animal edible tissues using UPLC-MS/MS

Cyromazine and dicyclanil are both used as insect growth regulators. This paper describes an easy and innovative simultaneous extraction method for residues of cyromazine and dicyclanil in food of animal origin, and a confirmation procedure using UHPLC-MS/MS. The sample was extracted, deproteinised...

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Published in:Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment Chemistry, analysis, control, exposure & risk assessment, 2013-04, Vol.30 (4), p.660-665
Main Authors: Hou, Xiaolin, Zhou, Degang, Huai, Wenhui, Beier, Ross C., Sun, Yingjian, Lu, Yan, Wu, Guojuan, Sun, Zhiwen, Wu, Yongning
Format: Article
Language:English
Subjects:
analysis
Animals
Biological and medical sciences
Calibration
Chromatography, High Pressure Liquid - methods
cyromazine
dicyclanil
food
Food industries
Fundamental and applied biological sciences. Psychology
Insect control
Insecticides
Juvenile Hormones - analysis
LC-MS/MS
Limit of Detection
Matrix
Meat Products - analysis
Pesticide Residues - analysis
Reproducibility of Results
Tandem Mass Spectrometry - methods
Tissues
Triazines - analysis
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Summary:Cyromazine and dicyclanil are both used as insect growth regulators. This paper describes an easy and innovative simultaneous extraction method for residues of cyromazine and dicyclanil in food of animal origin, and a confirmation procedure using UHPLC-MS/MS. The sample was extracted, deproteinised by 1% trichloracetic acid in water-acetonitrile, followed by selective defatting using hexane based on the degree of matrix complexity; cleaned-up on an mixed-mode cation exchange (MCX) cartridge; and quantified by using matrix-matched calibration. The mean recoveries were all between 62.0% and 99.2%, and the RSDs were all below 9.94%. The present method was rapid, sensitive and reliable, which was applied to the quantitative analysis of these residues in animal tissues.
ISSN:1944-0049
1944-0057
DOI:10.1080/19440049.2012.760207