Analysis of ochratoxin A in pig kidney and rye flour using liquid chromatography tandem mass spectrometry (LC/MS/MS)
- 1 November 1999
- journal article
- research article
- Published by Informa UK Limited in Food Additives & Contaminants
- Vol. 16 (11), 451-456
- https://doi.org/10.1080/026520399283731
Abstract
A liquid chromatography electrospray tandem mass spectrometric (LC/MS/MS) method is described for analysis and confirmation of ochratoxin A in pig kidney and rye flour using derivatization of ochratoxin A to the methyl ester. Ochratoxin A methyl(d3)ester is used as internal standard. The method works well, the detection limit is 0.02 µg/kg and the repeatability (coefficient of variation) is between 6% and 16% in the contamination range 0.5 to 8 µg/kg.Keywords
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