期刊
ENVIRONMENTAL POLLUTION
卷 157, 期 1, 页码 148-154出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2008.07.011
关键词
Organochlorines; Breast milk; India; Infant health risk
资金
- Global Environmental Research Fund [RF-064]
- Waste Management Research [K1821, K1953]
- Ministry of the Environment [20221003, 18310046]
- Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT)
- Japan Society for the Promotion of Science (JSPS)
The present study was carried out to understand the current contamination status of organochlorine compounds (OCs) in human breast milk from three metropolitan cities in India (New Delhi, Mumbai and Kolkata). Among the OCs analyzed, DDTs were predominant followed by HCHs and PCBs. CHLs and HCB levels were much lower. Contamination patterns were different in human milk found in our previous study in Chennai, a metropolitan city in southern India, indicating region specific exposure routes and variable sources. In comparison with previous data, levels of DDTs and HCHs generally declined with time, implying the effect of various bans and restrictions on their usage. No association between concentrations of OCs and demographic characteristics such as parity and age of mothers was observed which might be due to narrow range of mother's age. Estimated daily intake shows that some infants are exposed to OCs to a greater extent, particularly HCHs than the guideline standard. (C) 2008 Elsevier Ltd. All rights reserved.
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