[Analysis on Clenbuterol pollution in swine products in Beijing, 2002].
OBJECTIVE
To explore the status of clenbuterol pollution in swine products in Beijing city in 2002.


METHODS
European Union method (EUR 15127-EN Cy2.3) 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 micro g/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%.


CONCLUSIONS
Rates of detection had decreased from 30.0% to 2.7% during 2002.
Xue
Ying
Y
Beijing Center for Disease Prevention and Control, Beijing 100013, China. Xuey@bjcdc.org
Wu
Guo-hua
GH
Meng
Juan
J
Zhao
Jie
J
Shao
Bing
B
Zhao
Li-wen
LW
Sun
Xin-gui
XG
Cui
Xiao-qing
XQ
Zhang
Zheng
Z
D000818:Animals; D002681:China; D002976:Clenbuterol / Q000032:analysis*; D004350:Drug Residues / Q000032:analysis*; D005506:Food Contamination / Q000032:analysis*; D006801:Humans; D008460:Meat / Q000032:analysis*; D008461:Meat Products; D013552:Swine
D002976:Clenbuterol