北京市2002年生猪产品中克伦特罗污染状况调查

Analysis on Clenbuterol pollution in swine products in Beijing,2002

目的 了解 2 0 0 2年北京市生猪产品中克伦特罗污染状况。方法 采用欧盟方法 (EUR15 12 7 ENCy 2 .3)对生猪样品进行检测 ,用酶联免疫吸附试验初筛 ,用GC MS进行确证。结果 北京市 2 0 0 2年共抽检 11个区 (县 )屠宰厂、冷库、批发市场的猪肝、猪肺、猪肉、猪肾和猪尿样品 1379份 ,检出克伦特罗阳性样品 185份 ,年平均检出率 13.4 % ,呈逐月下降趋势 ;以猪肺检出率最高 ,为15 .7% ,猪尿和猪肝的检出率为 15 .2 %和 14 .0 %。结论 北京市 2 0 0 2年全年生猪产品中克伦特罗的检出率从 30 .0 %下降到了 2 .7%。

Objective To explore the status of clenbuterol pollution in swine products in Beijing city in 2002. Methods European Union method (EUR 15127-EN Cy 2.3 ) was adopted to examine the samples. Samples were screened by enzyme-linked immunosorbent assay(ELISA) and confirmed by GC-MS. Detected limit of the method was 0.5 μg/kg. Samples, including lung, liver, pork, kidney and urine of swine, were collected from slaughterhouses, refrigeratories and markets in 11 districts of Beijing. Results The results indicated that 185 out of 1 379 samples were positive with an annual positive rate of 13.4 %. The highest was 15.7 % in lung of swine, followed by urine 15.2 % and pork liver 14.0 %. Conclusion Rates of detection had decreased from 30.0 % to 2.7 % during 2002.