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[Occurrence of synthetic musks in human milk samples collected from Beijing]
Hao Wang1, Jie Yin, Jing Zhang
1Capital Medical University, School of Public Health and Family Medicine, Beijing 100069, China.
Objective:
To investigate the occurrence of 13 kinds of synthetic musk and triclosan in breast milk samples collected from Beijing, and to estimate the exposure of breastfed infants.
Methods:
Target compounds in 65 milk samples collected from 4 districts of Beijing in 2004 were analyzed by means of gas chromatography - tandem mass spectrometry (GC - MS/MS) and quantified by internal standards. The exposure of infants was analyzed statistically by SPSS software.
Results:
HHCB, AHTN, OTNE, MT and Triclosan were detected in milk samples in the range of 0.6 - 174.1 ng/g lipid, with some difference in 4 districts. It is estimated that the intake of synthetic musks and triclosan for each infant from breast milk would be 13.5 - 3917 ng/d.
Conclusion:
Commonly used synthetic musks and tricloson were generally detected in breast milk. Further study should be focused on monitoring and tracing the possible source of pollution.
