Journal
HUMAN AND ECOLOGICAL RISK ASSESSMENT
Volume 22, Issue 1, Pages 226-240Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10807039.2015.1057103
Keywords
cadmium; risk assessment; dietary exposure; semi-probabilistic approach; fully probabilistic approach
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Funding
- National Natural Science Foundation of China [81172769]
- Jiangsu Natural Science Foundation for young scholars [BK2012348]
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With rapid industrialization and modernization in China, long-term dietary exposure to cadmium (Cd) has the potential to cause health risks. The traditional probabilistic approach for long-term dietary assessment was a semi-probabilistic method that had limitations in qualifying the variation in concentration data. Thus, this article estimated the long-term dietary exposure to Cd of the adults of Jiangsu province using semi-probabilistic and fully probabilistic approaches, and compared the two models. Cd concentration data were obtained from the national food contamination monitoring program 2001-2009. Food consumption data were gathered from the National Diet and Nutrition Survey conducted in 2002. The provisional tolerable daily intakes (PTDI) of 0.8g kg(-1) bw for Cd was applied in the risk assessment. The estimates of semi-probabilistic approach were within the provisional tolerable daily intakes (PTDI) at mean and all percentiles. However, the P95 of exposure with fully probabilistic approach for all population groups were above PTDI. Rice and rice products followed by wheat flour and wheat flour products, crustaceans, pak-choi, beans, and bean products contributed most to the Cd intake for adults. The fully probabilistic estimates could indicate a possible public health concern on Cd for adults in Jiangsu province.
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