Please use this identifier to cite or link to this item: https://doi.org/10.1021/es7021363
Title: Multivariate data analyses of persistent organic pollutants in maternal adipose tissue in Singapore
Authors: Tan, J. 
Qing, Q.L. 
Loganath, A.
Yap, S.C.
Xiao, M.
Obbard, J.P. 
Issue Date: 1-Apr-2008
Source: Tan, J., Qing, Q.L., Loganath, A., Yap, S.C., Xiao, M., Obbard, J.P. (2008-04-01). Multivariate data analyses of persistent organic pollutants in maternal adipose tissue in Singapore. Environmental Science and Technology 42 (7) : 2681-2687. ScholarBank@NUS Repository. https://doi.org/10.1021/es7021363
Abstract: Persistent organic pollutants (POPs) were detected in 88 maternal adipose tissue samples collected during year 2004 to 2006, in Singapore. Organochlorine pesticides (OCPs) were the most dominant followed by polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs). Multivariate data analyses (MVA) including principal component analysis (PCA), partial least-squares regression (PLSR), and partial least-squares discriminant analysis (PLS-DA) were applied to elucidate the relationship between concentrations of POPs in adipose tissues and donors' characteristics. Food consumption played the most significant role in accounting for levels of POPs in adipose tissue. Fish and poultry consumption was the route of PCBs and PBDEs in mothers in Singapore, while β-HCH came mainly from vegetables. An age-dependent accumulation of POPs was found for β-HCH and PCB congeners, and lactation and gestation functioned as a decontamination processes for PCBs in adipose tissue. Gestational diabetes mellitus (GDM) may change the profile of POPs in adipose tissue, probably due to an alteration in lipid metabolism. POPs investigated here may not be the cause of antenatal complication in pregnant women, and baby gender was not related to the pattern of contaminants in maternal adipose tissue. © 2008 American Chemical Society.
Source Title: Environmental Science and Technology
URI: http://scholarbank.nus.edu.sg/handle/10635/50431
ISSN: 0013936X
DOI: 10.1021/es7021363
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