Determination of macrolide antibiotics by liquid chromatography

被引:85
作者
Leal, C [1 ]
Codony, R [1 ]
Compañó, R [1 ]
Granados, M [1 ]
Prat, MD [1 ]
机构
[1] Univ Barcelona, Dept Quim Analit, E-08028 Barcelona, Spain
关键词
antibiotics; macrolide antibiotics;
D O I
10.1016/S0021-9673(00)01231-0
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
The liquid chromatographic separation of seven macrolides used in food producing animals in the European Union has been studied. Separation was performed by using an end-capped high-purity silica-based C-18 column and mobile phases consisting of phosphate buffer (pH 2.5)-acetonitrile mixtures. The effect of pH and acetonitrile percentage on the separation was examined. Two UV-based detection systems, wavelength programming and diode array, were assayed. Detection limits were in the range 6-33 mug l(-1) for spiramycin, tilmicosin, tylosin, kitasamicin and josamicin and about 400 mug l(-1) for erythromycin and oleandomycin. The suitability of the method for multiresidue determination of the five macrolides is demonstrated by the analysis of spiked samples of chicken muscle. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:285 / 290
页数:6
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