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Vol. 26 No. 20 (2014)

Copyright (c) 2014 Jun-Jie Lin1, Dan Liu2, Qinyu Nie2, Chuan Fu1, Ting-Zhen Li1

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Dietary Exposure of Adults to Nitrites from Vegetable Intake in Cities Experiencing Immigration from Three Gorges Project in Northeast Chongqing, China

https://doi.org/10.14233/ajchem.2014.17085
Jun-Jie Lin1
1Key Laboratory of Water Environment Evolution and Pollution Control in Three Gorges Reservior, Chongqing Three Georges University, Wanzhou 404100, P.R. China 2Department of Agricultural and Forestry Science and Technology, Chongqing Three Gorges Vocation College, Chongqing 404000, P.R. China 3State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110164, P.R. China 4University of Chinese Academy of Sciences, Beijing 100049, P.R. China *Corresponding author: E-mail: ybu_lin@126.com
Dan Liu2
1Key Laboratory of Water Environment Evolution and Pollution Control in Three Gorges Reservior, Chongqing Three Georges University, Wanzhou 404100, P.R. China 2Department of Agricultural and Forestry Science and Technology, Chongqing Three Gorges Vocation College, Chongqing 404000, P.R. China 3State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110164, P.R. China 4University of Chinese Academy of Sciences, Beijing 100049, P.R. China *Corresponding author: E-mail: ybu_lin@126.com
Qinyu Nie2
1Key Laboratory of Water Environment Evolution and Pollution Control in Three Gorges Reservior, Chongqing Three Georges University, Wanzhou 404100, P.R. China 2Department of Agricultural and Forestry Science and Technology, Chongqing Three Gorges Vocation College, Chongqing 404000, P.R. China 3State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110164, P.R. China 4University of Chinese Academy of Sciences, Beijing 100049, P.R. China *Corresponding author: E-mail: ybu_lin@126.com
Chuan Fu1
1Key Laboratory of Water Environment Evolution and Pollution Control in Three Gorges Reservior, Chongqing Three Georges University, Wanzhou 404100, P.R. China 2Department of Agricultural and Forestry Science and Technology, Chongqing Three Gorges Vocation College, Chongqing 404000, P.R. China 3State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110164, P.R. China 4University of Chinese Academy of Sciences, Beijing 100049, P.R. China *Corresponding author: E-mail: ybu_lin@126.com
Ting-Zhen Li1
1Key Laboratory of Water Environment Evolution and Pollution Control in Three Gorges Reservior, Chongqing Three Georges University, Wanzhou 404100, P.R. China 2Department of Agricultural and Forestry Science and Technology, Chongqing Three Gorges Vocation College, Chongqing 404000, P.R. China 3State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110164, P.R. China 4University of Chinese Academy of Sciences, Beijing 100049, P.R. China *Corresponding author: E-mail: ybu_lin@126.com

Corresponding Author(s) : Jun-Jie Lin1

Asian Journal of Chemistry, Vol. 26 No. 20 (2014)

Abstract

This study examined the intake of vegetable nitrite in cities experiencing migration from the three Gorges project in northeast Chongqing, China. Daily intake was estimated using the Northeast Chongqing population-based vegetable consumption survey 2005-2007 and the nitrite content of various vegetables. The results showed significant variation in average levels of nitrite content among various vegetables. Nitrite levels ranged between 0.12 mg NO2– kg-1 fresh weight in tomato and 6.14 mg NO2– kg-1 fresh weight in rorippa. According to the vegetable consumption survey, on an average, residents consume 440 g of tested vegetables per day. Solanaceous vegetables accounted for 18.23 % of the total vegetables consumed, whereas gourd vegetables, allium vegetables and tuber vegetables accounted for 16.36, 14.68 and 10.35 %, respectively. Other vegetables accounted for less than 10 %. Dietary exposure to nitrite from vegetables was estimated to be 0.0066 mg kg-1 body weight day-1, which represented 90 % of total vegetable consumption in the study area. Estimated exposure to nitrite was well below the acceptable daily intake of nitrite, at 0.07 mg kg-1 body weight day-1.

Keywords

Vegetable Nitrite Immigrant city Three gorges project Dietary exposure Acceptable daily intake.
Lin1, J.-J., Liu2, D., Nie2, Q., Fu1, C., & Li1, T.-Z. (2014). Dietary Exposure of Adults to Nitrites from Vegetable Intake in Cities Experiencing Immigration from Three Gorges Project in Northeast Chongqing, China. Asian Journal of Chemistry, 26(20), 6861–6864. https://doi.org/10.14233/ajchem.2014.17085
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