Human Exposure To Methylmercury through Rice Intake in Mercury Mining Areas, Guizhou Province, China

	Human Exposure To Methylmercury through Rice Intake in Mercury Mining Areas, Guizhou Province, China
	Xinbin Feng; Ping Li; Guangle Qiu; Shaofeng Wang; Guanghui Li; Lihai Shang; Bo Meng; Hongmei Jiang; Weiyang Bai; Zhonggen Li; Xuewu Fu
	2008
发表期刊	Environment science & technology
卷号	42 期号:1 页码:326–332
摘要	The toxicity of methylmercury (Me-Hg) has caused widespread public human concern as a result of several widely publicized disasters. Me-Hg is highly toxic, and the nervous system is its principal target tissue for humans. Although the general population is primarily exposed to Me-Hg through contaminated fish and marine mammals, in Hg mining areas a long history of mining activities can produce serious Hg pollution to the local environment. In a study of 98 persons from the Wanshan Hg mining area, hair Me-Hg levels indicated Me-Hg exposure. Rice, the staple food of the local inhabitants also showed high total Hg (T-Hg) and Me-Hg levels. The geometric mean concentration of T-Hg and mean concentration of Me-Hg in rice samples collected from 3 villages in Wanshan Hg mining area were 36.2 (ranging from 4.9 to 214.7), and 8.5 (ranging from 1.9 to 27.6) µg/kg, respectively, which were significantly elevated compared to the rice samples collected from a reference area, where the mean T-Hg and Me-Hg concentrations were 7.0 (3.2–15.1) and 2.5 (0.8–4.3) µg/kg, respectively. Pork meat, vegetable, and drinking water samples collected in Wanshan Hg mining area contained highly elevated T-Hg, but very low levels of Me-Hg. The relationships between the estimated rice Me-Hg intake and hair Me-Hg levels (r = 0.65, p < 0.001) confirmed rice with high Me-Hg levels indeed was the main route of Me-Hg exposure for the local residents in the Wanshan Hg mining area. From our study, we can conclude that the main human exposure to Me-Hg via food consumption is not restricted to fish, but in some cases in mining areas of China to frequent rice meals.
学科领域	环境地球化学
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.gyig.ac.cn/handle/352002/5012
专题	环境地球化学国家重点实验室_环境地球化学国家重点实验室_期刊论文环境地球化学国家重点实验室
推荐引用方式 GB/T 7714	Xinbin Feng,Ping Li,Guangle Qiu,et al. Human Exposure To Methylmercury through Rice Intake in Mercury Mining Areas, Guizhou Province, China[J]. Environment science & technology,2008,42(1):326–332.
APA	Xinbin Feng.,Ping Li.,Guangle Qiu.,Shaofeng Wang.,Guanghui Li.,...&Xuewu Fu.(2008).Human Exposure To Methylmercury through Rice Intake in Mercury Mining Areas, Guizhou Province, China.Environment science & technology,42(1),326–332.
MLA	Xinbin Feng,et al."Human Exposure To Methylmercury through Rice Intake in Mercury Mining Areas, Guizhou Province, China".Environment science & technology 42.1(2008):326–332.

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