Temporal Trends in Daily Dietary Intakes of DDTs and HCHs in Urban Populations from Beijing and Shenyang, China
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The temporal trends in daily dietary exposure of the populations in Beijing and Shenyang, China to DDTs and HCHs through consumption of various food categories and the associated health risks were investigated in this work. The estimated dietary intakes of DDTs and HCHs in 2005/2007 were almost one and two orders of magnitude lower than those in 1992 and in the 1970s, respectively, revealing the historical decrease of DDT and HCH in Chinese foods after their applications were banned. The relative contributions of different foodstuffs to the overall intakes of DDTs and HCHs in the 1970s and in 1992 were very different from those in 2005/2007, mainly due to the remarkable concentration variance in foodstuffs and changes in diet habit of population. According to the hazard guidelines, it is concluded that intakes of these two pesticides in 2005/2007 may not exert adverse effects on human health.
JOUR
Yu, Yanxin
Wang, Bin
Wang, Xilong
Liu, Wenxin
Cao, Jun
Wong, Minghong
Tao, Shu
2013
Chemosphere
91
10
1395-1400
0045-6535
10.1016/j.chemosphere.2012.12.073
2317