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KMID : 1023520110340030285
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Korean Journal of Veterinary Service
2011 Volume.34 No. 3 p.285 ~ p.289
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Mornitoring of non-steroidal anti-inflammatory drugs in Livestock products
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Choi Yoon-Hwa
Kim Yoen-Joo
Shin Bang-Woo
Lee Jung-Hark
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Abstract
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This study was conducted to determine the content of non-steroidal anti-inflammatory drugs (NSAIDs) in meats available on the Korean markets. The analysis was carried out using following conditions; C18 column (100×2.1 mm, 1.7 μm), mobile phase composed of DW (containing 0.1% formic acid): acetonitrile (containing 0.1% formic acid), binary pump at a flow rate of 0.3 ml/min and 5 μl of injection volume, MS/MS detector with ESI positive mode. The calibration range of five NSAIDs showed linearity (r2≥0.99) at concentration range of 3.125~200 μg/kg. The recoveries in fortified muscle more than 78.7~100.3%. The detection limits for meloxicam, ketoprofen, flunixin, carprofen and tolfenamic acid were 3.5, 1.6, 1.7, 9.8 and 4.8 μg/kg, respectively. We also monitored NSAIDs residue in cattle muscle 51 samples. The test results, NSAIDs were all not founded.
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KEYWORD
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NSAIDs, Flunixin, LC-MS/MS
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