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Updated: Aug 30, 2026
Composition and Distribution Analysis of Bioaerosols Under Different Environmental Conditions
Published on: January 7, 2019
[Analysis on Clenbuterol pollution in swine products in Beijing, 2002]
Ying Xue1, Guo-hua Wu, Juan Meng
1Beijing Center for Disease Prevention and Control, Beijing 100013, China. Xuey@bjcdc.org
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%.
Conclusion:
Rates of detection had decreased from 30.0% to 2.7% during 2002.
