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J Chromatogr A. 2015 Apr 10;1389:133-8. doi: 10.1016/j.chroma.2015.02.052. Epub 2015 Feb 23.

Identification of transformation products of pesticides and veterinary drugs in food and related matrices: use of retrospective analysis.

Author information

1
Research Group "Analytical Chemistry of Contaminants", Department of Chemistry and Physics, Research Centre for Agricultural and Food Biotechnology (BITAL), University of Almería, Agrifood Campus of International Excellence, ceiA3, E-04120 Almería, Spain.
2
Research Group "Analytical Chemistry of Contaminants", Department of Chemistry and Physics, Research Centre for Agricultural and Food Biotechnology (BITAL), University of Almería, Agrifood Campus of International Excellence, ceiA3, E-04120 Almería, Spain. Electronic address: agarrido@ual.es.

Abstract

Retrospective analysis has been applied in different samples, including honey, meat, feed and nutraceutical products from ginkgo biloba, soya, royal jelly and green tea, with the aim of searching transformation products of pesticides and veterinary drugs, which were not included in an initial analysis. Generic extraction and analytical procedures based on high resolution mass spectrometry (Exactive-Orbitrap analyser was used) have been applied. All obtained data have been reprocessed and some compounds as anhydroerythromycin in honey and 3,5,6-trichloro-2-pyridinol in feed have been detected, demonstrating the applicability and the utility of the procedure. Advantages and disadvantages of retrospective approach have been highlighted.

KEYWORDS:

Full-scan mode; Orbitrap; Pesticides; Retrospective analysis; Transformation products; Veterinary drugs

PMID:
25748536
DOI:
10.1016/j.chroma.2015.02.052
[Indexed for MEDLINE]

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