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http://dx.doi.org/10.5806/AST.2006.19.3.244

Monitoring of residue PBDEs level in human milk and fish & shellfish samples collected from Korea  

Jang, Myungsu (Labfrontier Co. Ltd.)
Cha, Sujin (Labfrontier Co. Ltd.)
Kang, Younseok (Labfrontier Co. Ltd.)
Park, Jongsei (Labfrontier Co. Ltd.)
Publication Information
Analytical Science and Technology / v.19, no.3, 2006 , pp. 244-254 More about this Journal
Abstract
Flame retardants are added to prevent catching fire and to slow down the burning process. PBDEs are known to affect thyroid hormones and hormone disruption. The aim of this study was to propose a manual for determination of PBDEs, and investigate the accumulation of PBDEs(BDE-28, 47, 99, 100, 153, 154 and 183) in fish&shellfish and human milk samples. Pre-treatment for PBDEs determination, alkali digestion and L-L(Liquid-Liquid) extraction method could be applied to fish and shellfish. When Multi-layer column was used for cleaning up the sample, 50 mL of hexane and 100 mL of hexane:dichloromethane(9:1) solutions were used for pre- and post-elution, respectively. Activated-carbon column was optimized by a 100 mL of hexane:dichloromethane(3:1). The result of fish, highest concentration was detected in flatfish, 890 pg/g(wet weight). The other side, lowest concentration was detected in pollack, 40 pg/g(wet weight). The result of breast milk, PBDEs was detected 2,580 and 3,600 pg/g(lipid weight) from breast milk of Seoul and Juju, respectively. BDE-153 and 183 were not detected in all samples. There was no difference in PBDEs level was not difference between first and second delivery. In this study, we could find that PBDEs level in Korea is lower than other countries.
Keywords
Polybrominated biphenyl ethers; monitoring; fish&shellfish; breastmilk;
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