论文部分内容阅读
This paper presents the results of an investigation on association between dietary intakes and human milk concentrations of dichlorodiphenyltrichloroethane and metabolites（DDTs） of two populations from Beijing and Shenyang，China. We analyzed human milk samples from 76 women and 287 composite food samples covering major food categories for concentrations of DDTs. We also collected information on food consumptions and calculated dietary intakes of DDTs of the participants on individual basis. The median values of the measured DDTs in human milk were 125 ng/g lipid and 132 ng/g lipid for the samples from Beijing and Shenyang，respectively. The mean（±standard deviation） daily dietary intakes of DDTs by the two groups were 32.0±14.2 ng/kg.day and 27.9±11.3 ng/kg.day，respectively.