Analysis of danofloxacin, difloxacin, ciprofloxacin and sarafloxacin in honey using micellar liquid chromatography and validation according to the 2002/657/EC decision
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http://dx.doi.org/10.1039/C5AY01241D |
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Title
Analysis of danofloxacin, difloxacin, ciprofloxacin and sarafloxacin in honey using micellar liquid chromatography and validation according to the 2002/657/EC decisionDate
2015Publisher
Royal Society of ChemistryBibliographic citation
TAYEB CHERIF, K.; PERIS VICENTE, Juan; CARDA BROCH, Samuel; ESTEVE ROMERO, Josep. Analysis of danofloxacin, difloxacin, ciprofloxacin and sarafloxacin in honey using micellar liquid chromatography and validation according to the 2002/657/EC decision. Analytical methods (2015), v. 7, pp. 6165-6172Type
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info:eu-repo/semantics/publishedVersionSubject
Abstract
A reliable and sensitive method based on micellar liquid chromatography was optimized for the analysis of the fluoroquinolones danofloxacin, difloxacin, ciprofloxacin and sarafloxacin in honey. The sample was 1 : 1 ... [+]
A reliable and sensitive method based on micellar liquid chromatography was optimized for the analysis of the fluoroquinolones danofloxacin, difloxacin, ciprofloxacin and sarafloxacin in honey. The sample was 1 : 1 diluted in a 0.05 M sodium dodecyl sulfate solution buffered at pH = 3, thus avoiding an extraction step and the use of toxic chemicals. The fluoroquinolones were resolved in less than 25 min using a C18 column, without interference from the matrix. The mobile phase was a solution of 0.05 M sodium dodecyl sulfate, 1% 1-butanol and 0.5% triethylamine buffered at pH = 3, running under isocratic mode at 1 mL min−1. The excitation and emission wavelengths were 280 and 455 nm, respectively. The method was validated in accordance with the European Union Decision 2002/657/EC in terms of selectivity, sensitivity (limits of detection and quantification, 4 and 10 μg kg−1, respectively), calibration range (10–200 μg kg−1), linearity (r2 > 0.9990), decision limit (4 μg kg−1), detection capability (4.7–6.2 μg kg−1), intra- and interday accuracy and precision (81.0–103.4% and <12.3%, respectively), and robustness (<8.5%). The method was applied to commercial honey samples purchased from a local supermarket. [-]
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Analytical methods (2015), v. 7Rights
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