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Rapid and easy multiresidue method for the analysis of antibiotics in meats by ultrahigh-performance liquid chromatography-tandem mass spectrometry.

Journal of agricultural and food chemistry (2015-02-07)
Takahiro Yamaguchi, Masahiro Okihashi, Kazuo Harada, Kotaro Uchida, Yoshimasa Konishi, Keiji Kajimura, Kazumasa Hirata, Yoshimasa Yamamoto
ABSTRACT

This study involved the development of a multiresidue method for the rapid analysis of 43 antibiotics in meats using ultrahigh-performance liquid chromatography-tandem mass spectrometry. This method was performed using dispersive-solid phase extraction, which is able to analyze 20 samples within 2 h. All compounds were determined simultaneously on a C18 separation column with gradient elution. Validation of the analytical method was performed by carrying out linearity, limit of quantification (LOQ), accuracy, precision, and recovery tests in different meat products. The validation criteria were set according to AOAC International and Japanese validation guidelines. The linearity of each compound was almost the coefficient of determination (r(2)) > 0.98. The LOQs of all tested antibiotics were <10 μg/kg. The results verify that this method is capable of quantitative analysis of 36, 33, and 37 compounds in beef, pork, and chicken, respectively. This method can be used for rapid and easy multiresidue screening of antibiotics for three meats (pork, beef, and chicken).

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