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Author

Choi, Sung-Deuk
Environmental Analytical Chemistry Lab (EACL)
Research Interests
  • Persistent organic pollutants, Environmental Analysis and monitoring, Multimedia modeling

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Occurrence and exposure assessment of polychlorinated biphenyls and organochlorine pesticides from homemade baby food in Korea

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Title
Occurrence and exposure assessment of polychlorinated biphenyls and organochlorine pesticides from homemade baby food in Korea
Author
Jeong, YunsunLee, SunggyuKim, SunmiChoi, Sung-DeukPark, JeongimKim, Hai-JoongLee, Jeong JaeChoi, GyuyeonChoi, SooranKim, SungjooKim, Su YoungKim, Young DonCho, GeumjoonSuh, EunsookKim, Sung KooEun, So-HeeEom, SoyongKim, SeunghyoKim, Gun-HaChoi, KyunghoKim, SungkyoonMoon, Hyo-Bang
Keywords
Baby food; Daily intake; Organochlorine; POPs; Risk; Threshold
Issue Date
201402
Publisher
ELSEVIER SCIENCE BV
Citation
SCIENCE OF THE TOTAL ENVIRONMENT, v.470-471, no., pp.1370 - 1375
Abstract
Data on the residue levels of persistent organic pollutants (POPs) in baby food samples are scarce. This is the first study to explore current contamination status and exposure assessment of organochlorines (OCs), including polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs), in baby food from Korea. In this study, the concentrations of OCs were determined in homemade baby food samples (n = 100) collected from 6-, 9-, 12- and 15-month-old infant groups. The average concentrations of PCBs, dichloro-diphenyl-trichloroethanes (DDTs), hexachlorocyclohexanes (HCHs) and chlordanes (CHLs) in baby food samples were 37.5, 96.6, 26.0, and 13.2 pg/g fresh weight, respectively. The major compounds were CBs 28, 153, 52, and 33 for PCBs and p,p′-DDE, p,p′-DDT and β-HCH for OCPs. The contribution of DDTs to the total OC concentrations increased from 30% (6-month-old infants) to 67% (15-month-old infants) with increasing infant age, while the concentrations of PCBs, HCHs and CHLs gradually decreased with increasing infant age, suggesting that highest priority for risk reduction of DDTs. The estimated daily intakes (EDIs) of OCs in Korean infants from baby food consumption were lower than the thresholds proposed by the United States Environmental Protection Agency and Health Canada, implying limited potential health risks. However, considering simultaneous exposure from baby food and breast milk consumption, chlordanes and heptachlor epoxide posed potential health risks. Considering the importance of early development and the vulnerability of infants, it is essential to perform systematic monitoring and management programs of OCs in baby food for risk reduction in Korean infants.
URI
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DOI
http://dx.doi.org/10.1016/j.scitotenv.2013.07.071
ISSN
0048-9697
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