Lead,Zinc, and Cadmium in Vegetable/Crops in a Zinc Smelting Region and its Potential Human Toxicity |
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Authors: | Yuangen Yang Feili Li Xiangyang Bi Li Sun Taoze Liu Zhisheng Jin Congqiang Liu |
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Institution: | (1) Institute of Geochemistry, Chinese Academy of Sciences, No. 46 Guanshui Road, Guiyang City, 550002, Guizhou Province, China |
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Abstract: | Lead, Zn, and Cd in vegetables/crops were investigated in a zinc smelting region in China, and their daily dietary intake
by local residents was estimated. It is observed that Pb, Zn, and Cd were in 34.7–91.1, 242–575, and 0.199–2.23 μg g−1 dry weight in vegetables/crops with their greatest concentrations in leafy vegetable. The daily dietary intake of Pb, Zn,
and Cd by adult residents reached 3, 646, 59,295, and 186 μg day, respectively, and lettuce and cabbage together contributed
75% of the Pb, 50% of the Zn, and 70% of the Cd. |
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