<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>A liquid chromatography – tandem mass spectrometry (LC-MS/MS) method for the determination of oxytetracycline (OTC), 4-epi oxytetracycline (4-epi OTC), tetracycline (TC), 4-epi tetracycline (4-epi TC), chlortetracycline (CTC), 4-epi chlortetracycline (4-epi CTC), doxycycline (DC), minocycline (MINO), methacycline (META) and rolitetracycline (ROLI) residues in muscles was developed. The procedure consisted of an oxalic acid extraction followed by protein removal with trichloroacetic acid. Further solid phase clean-up on polymeric (Strata X) reversed phase columns was performed to obtain an extract suitable for LC-MS/MS analysis. The tetracyclines were separated on a C 18 analytical column with mobile phase consisting of 0.01% formic acid in acetonitrile and 0.01% formic acid in water in gradient mode. The method was validated according to the Commission Decision 2002/657/EC. The recoveries of all target compounds were 91.8% – 103.6%. The decision limits were from 109.0 to 119.8 μg/kg and detection capability varied within the range of 122.2 to 137.6 μg/kg, depending on the analyte.</p>
</abstract>

A liquid chromatography – tandem mass spectrometry (LC-MS/MS) method for the determination of oxytetracycline (OTC), 4-epi oxytetracycline (4-epi OTC), tetracycline (TC), 4-epi tetracycline (4-epi TC), chlortetracycline (CTC), 4-epi chlortetracycline (4-epi CTC), doxycycline (DC), minocycline (MINO), methacycline (META) and rolitetracycline (ROLI) residues in muscles was developed. The procedure consisted of an oxalic acid extraction followed by protein removal with trichloroacetic acid. Further solid phase clean-up on polymeric (Strata X) reversed phase columns was performed to obtain an extract suitable for LC-MS/MS analysis. The tetracyclines were separated on a C 18 analytical column with mobile phase consisting of 0.01% formic acid in acetonitrile and 0.01% formic acid in water in gradient mode. The method was validated according to the Commission Decision 2002/657/EC. The recoveries of all target compounds were 91.8% – 103.6%. The decision limits were from 109.0 to 119.8 μg/kg and detection capability varied within the range of 122.2 to 137.6 μg/kg, depending on the analyte.

Liquid chromatography – tandem mass spectrometry method for the determination of ten tetracycline residues in muscle samples

Department of Pharmacology and Toxicology

Journal of Veterinary Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A liquid chromatography – tandem mass spectrometry (LC-MS/MS) method for the determination of oxytetracycline (OTC), 4-epi oxytetracycline (4-epi OTC),...

Liquid chromatography – tandem mass spectrometry method for the determination of ten tetracycline residues in muscle samples

Published Online: Sep 30, 2015

Page range: 345 - 352

Received: Jun 19, 2015

Accepted: Sep 07, 2015

DOI: https://doi.org/10.1515/bvip-2015-0051

Keywords
muscles, tetracyclines, LC-MS/MS, method validation

© 2015 National Veterinary Research Institute in Pulawy

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Liquid chromatography – tandem mass spectrometry method for the determination of ten tetracycline residues in muscle samples

Published Online: Sep 30, 2015

Page range: 345 - 352

Received: Jun 19, 2015

Accepted: Sep 07, 2015

DOI: https://doi.org/10.1515/bvip-2015-0051

Keywordsmuscles, tetracyclines, LC-MS/MS, method validation

© 2015 National Veterinary Research Institute in Pulawy

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
muscles, tetracyclines, LC-MS/MS, method validation