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KMID : 1023520150380040259
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Korean Journal of Veterinary Service
2015 Volume.38 No. 4 p.259 ~ p.264
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Monitoring for cephalosporins residues in raw meat in Seoul
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Kim Mi-Ran
Choi Yoon-Hwa
Choi Hoon
Kim Doo-Hwan
Kim Young-Seob
Lee Ju-Hyung
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Abstract
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We investigated the residues of 6 cephalosporins (cefquinome, cephalexin, cephalonium, cefazolin, ceftiofur, cefuroxime) using LC-MS/MS in raw meat in Seoul. This method involves extraction of the residue from the meat by distilled water and methanol followed by a manual of residue analysis published by the National Institute of Food and Drug Safety Evaluation. The recoveries ranged between 74.71∼ 90.01% in beef, 73.37∼101.40% in pork and 70.87∼95.53% in chicken, respectively. The limits of detection were 0.0004∼0.0563 mg/kg, and the limits of quantification were 0.001∼0.169 mg/kg respectively. Residues of cephalosporins which exceeded maximum residue limits (MRL) were not exceed in any of the 287 samples. However, it is necessary to develop multi-method, which includes the active metabolites of ceftiofur.
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KEYWORD
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Cephalosporins residues, Raw meat, LC-MS/MS
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