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  • Title: Determination of ochratoxin A in urine and faeces of swine by high-performance liquid chromatography.
    Author: Valenta H, Kühn I, Rohr K.
    Journal: J Chromatogr; 1993 Apr 02; 613(2):295-302. PubMed ID: 8491816.
    Abstract:
    Sensitive methods for the determination of ochratoxin A in urine and faeces of swine are described. The samples were extracted with chloroform at pH < 2, and the extracts were cleaned up by a combination of solid-phase extraction and liquid-liquid partition. High-performance liquid chromatography with fluorescence detection was used for detection and determination. The detection limits were 0.3 ng/ml for urine and 1.5 ng/g for faeces. Recoveries of ochratoxin A from spiked samples of urine and faeces were 93% and 60%, respectively. Because of the low detection limit and the fast and relatively easy performance, the method for the determination of ochratoxin A in urine proved suitable for the estimation of possible contamination of live animals.
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