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|Title: ||A dual validation approach to detect anthelmintic residues in bovine liver over an extended concentration range|
|Authors: ||Kinsella, Brian|
Lehotay, Stephen J.
Ultra-high performance liquid chromatography-tandem mass spectrometry
Isotopically labelled internal standards
|Issue Date: ||21-Aug-2010|
|Citation: ||Brian Kinsella, Michelle Whelan, Helen Cantwell, Martin McCormack, Ambrose Furey, Steven J. Lehotay, Martin Danaher. A dual validation approach to detect anthelmintic residues in bovine liver over an extended concentration range. Talanta, Volume 83(1), 15 November 2010, Pages 14-24. DOI: 10.1016/j.talanta.2010.08.025|
|Series/Report no.: ||Talanta;vol 83|
|Abstract: ||This paper describes a method for the detection and quantification of 38 residues of the most widely used anthelmintics (including 26 veterinary drugs belonging to the benzimidazole, macrocyclic lactone
and flukicide classes) in bovine liver using two different protocols for MRL and non-MRL levels. A dual validation approach was adopted to reliably quantify anthelmintic residues over an extended concentration
range (1–3000 gkg−1). Sample extraction and purification was carried out using a modified
QuEChERS method. A concentration step was included when analysing in the low gkg−1 range. Rapid analysis was carried out by ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC–MS/MS), which was capable of detecting residues to <2 gkg−1. The method has been single-laboratory validated according to the 2002/657/EC guidelines and met acceptability criteria in all but a few cases. The inclusion of 19 internal standards, including 14 isotopically labelled internal standards, improved accuracy, precision, decision limit (CC˛) and detection capability (CCˇ).|
This research was funded by the Irish Department of Agriculture and Food under the Food Institutional Research Measure as part of the National Development Plan (Projects 06RDTAAFRC479)
and by EU Sixth Framework programme on Food Quality and Safety, ProSafeBeef (Project FOOD-CT-405 2006-36241).
|Appears in Collections:||Food Safety|
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