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Specific Accumulation of Organohalogen Compounds in Human Breast Milk from the Philippines:Levels,Distribution,Accumulation Kinetics and Infant Health Risk

机译:来自菲律宾人母乳中有机母母乳乳的特异性积累:水平,分布,积累动力学和婴儿健康风险

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The present study determined the concentrations of organohalogen compounds such as organochlorines(OCs)including DDT and its metabolites(DDTs),polychlorinated biphenyls(PCBs),chlordane compounds(CHLs),hexachlorocyclohexanes(HCHs),hexachlorobenzene(HCB),tris(4-chlorophenyl)methane(TCPMe)and brominated flame retardants(BFRs)including polybrominated diphenyl ethers(PBDEs)and hexabromocyclododecanes(HBCDs)in human breast milk samples from the Philippines.Organohalogen compounds were detected in all the samples,indicating their widespread contamination in the Philippines.DDTs and PCBs were the predominantly identified compounds.PBDEs in the Philippines are higher than in Japan and other Asian countries,and HBCDs were also higher than in the available reports.To our knowledge this is the first comprehensive research on HBCDs in human breast milk from Asia.No statistical difference was observed between the levels of the organohalogen compounds in the dumping and reference sites.Parity plays an important role in the OCs body burden in lactating women,but not for PBDEs and HBCDs and this may indicate recent exposure to BFRs.Estimated infants'daily intakes of OCs were generally lower than the TDI(Tolerable Daily Intake)values.However,few individuals accumulated CHLs close to or even higher than the TDI guidelines proposed by Health Canada.
机译:本研究确定了包括DDT及其代谢物(DDTS),多氯联苯(DDTS),氯丙烷化合物(CHL),六氯环己烷(HCHS),六氯苯(HCB),三(4-)的有机氯和其代谢物(DDTS)的有机氯和其代谢物(OCS)的浓度。氯苯基)甲烷(TCPME)和溴化阻燃剂(BFR)包括来自菲律宾人乳腺牛奶样品中的多苯基醚(PBDE)和六溴环碳二烷烷(HBCD)。在所有样品中检测到Organhalogens化合物,表明他们在菲律宾的广泛污染.DDTS和PCB是菲律宾的主要鉴定的化合物,菲律宾高于日本和其他亚洲国家,氟氯烃也比现有的报告高于现有的报告。对于我们的知识,这是人类母乳母乳中HBCD的第一个全面研究来自亚洲。在倾卸和参考位点中的有机卤代化合物的水平之间观察到统计学差异.Parity扮演一个n在哺乳期妇女的OCS身体负担中的重要作用,但不适用于PBDES和HBCD,这可能表明最近暴露于BFRS.ESTIMATED婴儿的ICS的INALY INTAKE通常低于TDI(可容忍的每日摄入量)值。但是个人累积CHL,靠近甚至高于加拿大卫生所提出的TDI指南。

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