Development of a Single-Step Precipitation Cleanup Method for the Determination of Enrofloxacin, Ciprofloxacin, and Danofloxacin in Porcine Plasma

Citation:
Choi, J. - H., M. I. R. Mamun, A. A. M. El-Aty, J. - H. Park, E. - H. Shin, J. Y. Park, S. - K. Cho, S. C. Shin, K. B. Lee, and J. - H. Shim, "Development of a Single-Step Precipitation Cleanup Method for the Determination of Enrofloxacin, Ciprofloxacin, and Danofloxacin in Porcine Plasma", Food Chemistry, vol. 127, issue 4, pp. 1878–1883, 2011.

Abstract:

In this study, we describe a newly developed and simple analytical method using high-performance liquid chromatography coupled to fluorescence detector (HPLC-FLD) for the determination of enrofloxacin, ciprofloxacin, and danofloxacin in porcine plasma. A single-step sample preparation, including extraction with acidic acetonitrile, coagulation with ammonium acetate, and centrifugation made possible the direct analysis of plasma samples without the need for any further cleanup procedure. The developed method was validated with specificity, linearity, limit of detection (LOD), limit of quantitation (LOQ), accuracy, and precision. All results were fully adequate. In the study using porcine plasma incurring enrofloxacin, the developed method proved capable of quantifying concentrations below its maximum residue limit, and its time-course residues were excreted within the 10-day withdrawal time.

Notes:

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