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PCBs and OCPs in human milk and selected foods from Luqiao and Pingqiao in Zhejiang, China
Zhao, Gaofeng; Xu, Ying; Li, Wen; Han, Guanggen; Ling, Bo; Xu, Y, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
2007-06-01
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume378Issue:3Pages:281-292
AbstractThis study was conducted to measure the levels of 23 PCB congeners and 6 organochlorine pesticides (OCPs) in human milk and three food types collected from Luqiao and Pingqiao in Zhejiang Province, China. An effort was also made to explore the potential health risk for the mothers and breast-fed infants living in these two localities. Luqiao was selected as the sampling site because it is the largest place for the disassembly of obsolete transformers and electrical waste in China. Pingqiao, located 100 kin NW of Luqiao, is not known to be a place for any electronic or electrical waste and hence was chosen as the control site. Both localities are important agricultural places in the province. The organochlorines were measured in the samples using the GC-PECD technique. Micro-EROD bioassay method was also used as a complement of the chemical analysis to estimate the TEQ levels of dioxin-like PCBs in human milk. The data showed that the human milk, rice, hen egg, and fish samples from Luqiao were more heavily contaminated with PCBs than those from Pingqiao, suggesting that the mothers and their breast-fed infants in Luqiao tended to receive greater exposure to PCBs than those living in Pingqiao. The OCP levels in the two localities were found comparable, suggesting that the major source of contamination with these pesticides was from their agricultural uses. Significant correlation (R-2 = 0.87, P < 0.001) of PCB TEQs was found between the bioassay and chemical analysis method, suggesting that micro-EROD is an effective method for comprehensive determination of TEQ levels in human milk. Comparison with literature data showed that the PCB levels in milk samples from Luqiao were significantly higher than those from localities in other Chinese provinces and comparable to those in developed or industrialized countries. (c) 2007 Published by Elsevier B.V.; This study was conducted to measure the levels of 23 PCB congeners and 6 organochlorine pesticides (OCPs) in human milk and three food types collected from Luqiao and Pingqiao in Zhejiang Province, China. An effort was also made to explore the potential health risk for the mothers and breast-fed infants living in these two localities. Luqiao was selected as the sampling site because it is the largest place for the disassembly of obsolete transformers and electrical waste in China. Pingqiao, located 100 kin NW of Luqiao, is not known to be a place for any electronic or electrical waste and hence was chosen as the control site. Both localities are important agricultural places in the province. The organochlorines were measured in the samples using the GC-PECD technique. Micro-EROD bioassay method was also used as a complement of the chemical analysis to estimate the TEQ levels of dioxin-like PCBs in human milk. The data showed that the human milk, rice, hen egg, and fish samples from Luqiao were more heavily contaminated with PCBs than those from Pingqiao, suggesting that the mothers and their breast-fed infants in Luqiao tended to receive greater exposure to PCBs than those living in Pingqiao. The OCP levels in the two localities were found comparable, suggesting that the major source of contamination with these pesticides was from their agricultural uses. Significant correlation (R-2 = 0.87, P < 0.001) of PCB TEQs was found between the bioassay and chemical analysis method, suggesting that micro-EROD is an effective method for comprehensive determination of TEQ levels in human milk. Comparison with literature data showed that the PCB levels in milk samples from Luqiao were significantly higher than those from localities in other Chinese provinces and comparable to those in developed or industrialized countries. (c) 2007 Published by Elsevier B.V.
SubtypeArticle
KeywordFood Human Milk Obsolete Transformers Organochlorine Pesticide Persistent Organic Pollutants Polychlorinated Biphenyls
DepartmentChinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China; Zhejiang Ctr Dis Control & Prevent, Hangzhou 310009, Peoples R China; Chinese Ctr Dis Control & Prevent, Beijing 100050, Peoples R China
Subject AreaEnvironmental Sciences
DOI10.1016/j.scitotenv.2007.03.008
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000247261500004
WOS KeywordPOLYCHLORINATED-BIPHENYLS PCBS ; SWEDISH HUMAN-MILK ; ORGANOCHLORINE PESTICIDES ; ENVIRONMENTAL-SAMPLES ; CHEMICAL-ANALYSIS ; CORD BLOOD ; HONG-KONG ; CONTAMINANTS ; EXPOSURE ; WASTE
Citation statistics
Cited Times:97[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8548
Collection期刊论文
Corresponding AuthorXu, Y, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Zhejiang Ctr Dis Control & Prevent, Hangzhou 310009, Peoples R China
3.Chinese Ctr Dis Control & Prevent, Beijing 100050, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Gaofeng,Xu, Ying,Li, Wen,et al. PCBs and OCPs in human milk and selected foods from Luqiao and Pingqiao in Zhejiang, China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2007,378(3):281-292.
APA Zhao, Gaofeng,Xu, Ying,Li, Wen,Han, Guanggen,Ling, Bo,&Xu, Y, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2007).PCBs and OCPs in human milk and selected foods from Luqiao and Pingqiao in Zhejiang, China.SCIENCE OF THE TOTAL ENVIRONMENT,378(3),281-292.
MLA Zhao, Gaofeng,et al."PCBs and OCPs in human milk and selected foods from Luqiao and Pingqiao in Zhejiang, China".SCIENCE OF THE TOTAL ENVIRONMENT 378.3(2007):281-292.
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