Xiaowei Li1, Qing Liu, Liping Liu, Yongning Wu. 1. National Institute for Nutrition and Food Safety, China Center for Disease Control and Prevention, Beijing 100021, China. eveline73@vip.sina.com
Abstract
OBJECTIVE: To assess the distribution of dietary lead exposure in different age-gender groups of Chinese residents by using the data from China Total Diet Study, and combining the new risk assessment and the PTWI withdrawn by JECFA. Methods Combining the lead concentrations of dietary samples with the food consumption data from China Total Diet Study in 2007 to obtain the distribution of dietary intake and dietary source of lead in different age-gender population groups. RESULTS: Dietary lead exposure of different age-gender population groups in China was in the range of 48.7 -116.7 microg/d. The status of higher lead exposure in younger age groups was not optimistic, as the mean and median margins of exposure (MOE) have been less than 1.0 (0.1 - 0.3). The main sources of dietary lead were cereals and vegetables, which covering 57% of total lead exposure. CONCLUSION: Lowering the dietary lead exposure of Chinese residents is necessary, especially of infants and children.
OBJECTIVE: To assess the distribution of dietary lead exposure in different age-gender groups of Chinese residents by using the data from China Total Diet Study, and combining the new risk assessment and the PTWI withdrawn by JECFA. Methods Combining the lead concentrations of dietary samples with the food consumption data from China Total Diet Study in 2007 to obtain the distribution of dietary intake and dietary source of lead in different age-gender population groups. RESULTS: Dietary lead exposure of different age-gender population groups in China was in the range of 48.7 -116.7 microg/d. The status of higher lead exposure in younger age groups was not optimistic, as the mean and median margins of exposure (MOE) have been less than 1.0 (0.1 - 0.3). The main sources of dietary lead were cereals and vegetables, which covering 57% of total lead exposure. CONCLUSION: Lowering the dietary lead exposure of Chinese residents is necessary, especially of infants and children.
Authors: Zumin Shi; Shiqi Zhen; Nicola Orsini; Yonglin Zhou; Yijing Zhou; Jianghong Liu; Anne W Taylor Journal: Environ Sci Pollut Res Int Date: 2017-03-29 Impact factor: 4.223