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KMID : 0380620120440030293
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Korean Journal of Food Science and Technology
2012 Volume.44 No. 3 p.293 ~ p.299
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Analysis of Residual Fluoroquinolones Contents in Fish
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Park Young-Ae
Yuk Dong-Hyun
Kim Su-Eon
Kim Jin-A
Kim Youn-Cheon
Park Ae-Sook
Kim Moo-Sang
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Abstract
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The residual contents of fluoroquinolones in fish and shrimp were analyzed by using HPLC-FLD and LC-MS. The limit of detection (LOD) and limit of quantification (LOQ) for luoroquinolones by HPLC-FLD were 0.0030-0.0083 and 0.0090-0.0252 mg/kg, respectively. Those by LC-MS were 0.0019-0.0040 and 0.0059-0.0122 mg/kg, respectively. Recoveries regarding ofloxacin, norfloxacin, pefloxacin, ciprofloxacin and enrofloxacin ranged from 76.4-104.6%. The detection rate of fluoroquinolones was 7.5% from a total of 268 samples. In only one Korean bullhead sample, the sum of ciprofloxacin and enrofloxacin contents was detected at a higher level than its maximum residue limits (MRL) of 0.1 mg/kg. Ofloxacin, norfloxacin and pefloxacin were not detected in any samples and detection rates of ciprofloxacin and enrofloxacin were 3.4% and 6.7%, respectively. In detection rate by species eel (2.6%), loach (2.2%), Korean bullhead (1.5%), carp (0.7%) and snakehead (0.4%) were in order.
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KEYWORD
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fluoroquinolones, HPLC-FLD, LC-MS
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