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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-13980

Van Den Hauwe, O; Schneider, M; Sahin, A; Van Peteghem, C H; Naegeli, H (2003). Immunochemical screening and liquid chromatographic-tandem mass spectrometric confirmation of drug residues in edible tissues of calves injected with a therapeutic dose of the synthetic glucocorticoids dexamethasone and flumethasone. Journal of Agricultural and Food Chemistry, 51(1):326-330.

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A field study was performed to assess the drug residue level in edible tissues after a therapeutic application of the synthetic glucocorticoids dexamethasone and flumethasone. Three diseased calves were injected intramuscularly with a commercial batch of dexamethasone esters and slaughtered 72 h after treatment. Another three calves were injected intramuscularly with an aqueous flumethasone preparation and slaughtered 24 h later. Residues of synthetic glucocorticoids in liver, muscle, kidney, and urine were assessed by competitive enzyme immunoassay. All dexamethasone concentrations exceeded the maximal residue level of 0.75 microg/kg in muscle and kidney and 2 microg/kg in the liver. The presence of both dexamethasone and flumethasone in the liver was confirmed by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS). These results indicate that liver tissue provides a suitable matrix to monitor the presence of illegal residues of synthetic glucocorticoids in slaughtered animals.


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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Institute of Veterinary Pharmacology and Toxicology
Dewey Decimal Classification:570 Life sciences; biology
Deposited On:27 Mar 2009 06:47
Last Modified:05 Apr 2016 13:01
Publisher:American Chemical Society
Publisher DOI:10.1021/jf020533m
PubMed ID:12502428

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