Article (Scientific journals)
Development of an analytical method to detect metabolites of nitrofurans. Application to the study of furazolidone elimination in Vietnamese black tiger shrimp (Penaeus monodon)
Douny, Caroline; Widart, Joëlle; De Pauw, Edwin et al.
2013In Aquaculture, 376-379, p. 54-58
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Keywords :
LC-MS/MS; nitrofuran metabolites; Shrimps; Validation
Abstract :
[en] Nitrofurans, banned antibiotics in European Union (EU), have often been found in imported aquaculture products in the past and are still found nowadays according to the Rapid Alert System for Feed and Food (RASFF) of the European Commission. A quantitative method based on liquid chromatography coupled to isotopic dilution tandem mass spectrometry (LC–IDMS/MS) was developed for the determination of the residues of four nitrofuran antibiotic residues in shrimps. The experimental protocol consisted of an acid-catalysed release of protein-bound metabolites, followed by derivatisation with 2-nitrobenzaldehyde (NBA). Then, a double liquid–liquid extraction with ethyl acetate was performed before LC–IDMS/MS analysis by positive electrospray ionisation (ES+) with multiple reaction monitoring (MRM) of two transitions per compound. An “in-house” validation of the method for shrimp analysis was conducted according to the EU criteria for the analysis of veterinary drug residues in foods. The decision limits (CCalpha) were 0.08–0.36 µg kg -1 and the detection capabilities (CCbeta) were 0.12–0.61 µg kg-1, which are both below the minimum required performance limit (MRPL) set at 1 µg kg -1 by the EU. The developed method was applied to evaluate the elimination of furazolidone residues in shrimp muscles after a contamination experiment. After 28 days of decontamination, a concentration of 115 µg kg-1 of furazolidone metabolite 3-amino-2-oxazolidinone (AOZ) was still measured in shrimp muscle.
Research center :
FARAH - Veterinary Public Health
Disciplines :
Food science
Author, co-author :
Douny, Caroline  ;  Université de Liège - ULiège > Département de sciences des denrées alimentaires > Analyse des denrées alimentaires
Widart, Joëlle ;  Université de Liège - ULiège > Département de pharmacie > Département de pharmacie
De Pauw, Edwin  ;  Université de Liège - ULiège > Département de chimie (sciences) > GIGA-R : Laboratoire de spectrométrie de masse (L.S.M.)
Silvestre, Frédéric
Kestemont, Patrick
Tu, Huynh Thi
Phuong, Nguyen Thanh
Maghuin-Rogister, Guy ;  Université de Liège - ULiège > Département de sciences des denrées alimentaires > Département de sciences des denrées alimentaires
Scippo, Marie-Louise  ;  Université de Liège - ULiège > Département de sciences des denrées alimentaires > Analyse des denrées alimentaires
Language :
English
Title :
Development of an analytical method to detect metabolites of nitrofurans. Application to the study of furazolidone elimination in Vietnamese black tiger shrimp (Penaeus monodon)
Publication date :
15 February 2013
Journal title :
Aquaculture
ISSN :
0044-8486
eISSN :
1873-5622
Publisher :
Elsevier Science, Amsterdam, Netherlands
Volume :
376-379
Pages :
54-58
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 13 November 2012

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