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KMID : 0881719940090010037
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Journal of Food Hygiene and Safety
1994 Volume.9 No. 1 p.37 ~ p.42
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Simultaneous Determination of Residual Sulfonamides in Meat Tissues by High Performance Liquid Chromatography
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Abstract
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Four sulfoanmides ; sulfamerazine ; sulfamethazine, sulfathiazole and sulfadimethoxine from muscle, kindney, liver and heart tissues of pork and chicken by LC. Residual sulfonamides were extracted with dichloromethane and determined on a Sperisorb ODS-1 column(250mm×4.6mm id) with acetonitrile/water/acetic acid (30/70/0.3 v/v) as a mobile phase at 260nm. Recoveries from 4 tissues of pork and chicken samples fortified with 50 and 100 ppb were 71.2∼87.2% and 73.7∼89.6%, respectively. The detection limit was 0.03 ㎍/g in each drug. Sulfamethazine in 5 samples of pork. And sulfadimethoxine in 5 samples and sulfamethazine in 3 samples were also detected from 41 samples of chicken. The order of residue levels of sulfonamides in tissues was kidney>liver>heart>muscle, respectively. The residue levels of sulfonamides from kidney and liver were 0.03∼0.15 ㎍/g in porks and 0.03∼0.10 ㎍/g in chickens.
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