alexa Determination of halofuginone and amprolium in chicken muscle and egg by liquid chromatography.
Chemical Engineering

Chemical Engineering

Journal of Chromatography & Separation Techniques

Author(s): Yamamoto Y, Kondo F

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Abstract A liquid chromatographic (LC) method was developed for simultaneous measurement of halofuginone (HFN) and amprolium (APL) in chicken muscle and egg. HFN and APL were extracted from chicken muscle and egg with acetonitrile. In chicken egg, they were partially purified by solid-phase extraction (SPE) to separate them from impurities. The LC separation was performed on a 4.6 mm id x 250 mm TSK-gel ODS-80TM column using acetonitrile-McIlvaine buffer, pH 3.4, containing 0.01M sodium lauryl sulfate (42 + 58) as the mobile phase. Ultraviolet detection of HFN and APL was performed at wavelengths of 242 and 265 nm, respectively. Recoveries of HFN and APL from chicken muscle spiked at 0.5 microg/g were 74.8 +/- 17.7 and 94.2 +/- 5.0\%, respectively (mean +/- standard deviation [SD], n = 10). In chicken muscle, the lower limit of determination for both APL and HFN was 0.03 microg/g. Recoveries of HFN and APL from chicken egg spiked at 0.5 microg/g by a cleanup procedure using SPE were 54.6 +/- 3.4 and 85.0 +/- 2.4\%, respectively (mean +/- SD, n = 5). In chicken egg, the lower limit of determination for both APL and HFN was 0.04 microg/g.
This article was published in J AOAC Int and referenced in Journal of Chromatography & Separation Techniques

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