Methylmercury, total mercury and total selenium in four common freshwater fish species from Ya-Er Lake, China

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	Methylmercury, total mercury and total selenium in four common freshwater fish species from Ya-Er Lake, China
	Jin, Lina ; Liang, Lina ; Jiang, Guibin ; Xu, Ying
刊名	ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
	2006-10-01
卷号	28 期号:5 页码:401-407
关键词	fish methylmercury public health total mercury total selenium
ISSN号	0269-4042
通讯作者	Xu, Y, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
中文摘要	Snakehead fish (Ophiocephalus argus cantor), silver carp (Hypophthalmichthys molitrtix), crucian carp (Carassius carassius), and common carp (Cyprinus carpio) are four common freshwater fish species in China. In this study, the level of methylmercury (MeHg), total mercury (T-Hg), and total selenium (T-Se) in muscle samples of these four fish species from Ya-Er Lake, China, were analyzed using atomic fluorescence spectrometry coupled with high-performance liquid chromatography, and inductively coupled plasma mass spectrometry. The concentrations of MeHg in all the fish species were significantly correlated with those of T-Hg. Higher T-Hg and MeHg concentrations had accumulated in the snakehead fish, which is a strongly predatory fish, than in the other three species. The concentration ratios of MeHg and T-Hg in the muscles of these four fish species were almost equal. Conversely, there was negative correlation between the concentrations of T-Hg and T-Se, which implies that there is a competition between these two elements with respect to bioaccumulation. It is noteworthy that of all the muscle samples tested, the level of T-Hg exceeded the maximum allowable limit in fish [0.4 mg kg(-1) (w/w) recommended by the World Health Organization] in 38.46% of those of the silver carp, 18.18% of those of the crucian carp, and 100% of those of snakehead fish. These results show that the consumption of contaminated fish is a potential threat to human health and that necessary preventive measures to safeguard public health should be emphasized.
英文摘要	Snakehead fish (Ophiocephalus argus cantor), silver carp (Hypophthalmichthys molitrtix), crucian carp (Carassius carassius), and common carp (Cyprinus carpio) are four common freshwater fish species in China. In this study, the level of methylmercury (MeHg), total mercury (T-Hg), and total selenium (T-Se) in muscle samples of these four fish species from Ya-Er Lake, China, were analyzed using atomic fluorescence spectrometry coupled with high-performance liquid chromatography, and inductively coupled plasma mass spectrometry. The concentrations of MeHg in all the fish species were significantly correlated with those of T-Hg. Higher T-Hg and MeHg concentrations had accumulated in the snakehead fish, which is a strongly predatory fish, than in the other three species. The concentration ratios of MeHg and T-Hg in the muscles of these four fish species were almost equal. Conversely, there was negative correlation between the concentrations of T-Hg and T-Se, which implies that there is a competition between these two elements with respect to bioaccumulation. It is noteworthy that of all the muscle samples tested, the level of T-Hg exceeded the maximum allowable limit in fish [0.4 mg kg(-1) (w/w) recommended by the World Health Organization] in 38.46% of those of the silver carp, 18.18% of those of the crucian carp, and 100% of those of snakehead fish. These results show that the consumption of contaminated fish is a potential threat to human health and that necessary preventive measures to safeguard public health should be emphasized.
学科主题	Engineering, Environmental; Environmental Sciences; Public, Environmental & Occupational Health; Water Resources
WOS标题词	Science & Technology ; Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]	Engineering, Environmental ; Environmental Sciences ; Public, Environmental & Occupational Health ; Water Resources
研究领域[WOS]	Engineering ; Environmental Sciences & Ecology ; Public, Environmental & Occupational Health ; Water Resources
关键词[WOS]	MEDITERRANEAN SEA ; XIPHIAS-GLADIUS ; CHEMICAL FORM ; FOOD ; SWORDFISH ; CADMIUM ; MUSCLE ; TISSUE ; LEAD
收录类别	SCI
语种	英语
WOS记录号	WOS:000240910600001
公开日期	2010-10-13
内容类型	期刊论文
源URL	[http://ir.ihb.ac.cn/handle/152342/8826]
专题	水生生物研究所_中科院水生所知识产出（2009年前）_期刊论文
作者单位	1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China 2.Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Environm Chem & Ecotoxicol, Beijing 100085, Peoples R China
推荐引用方式 GB/T 7714	Jin, Lina,Liang, Lina,Jiang, Guibin,et al. Methylmercury, total mercury and total selenium in four common freshwater fish species from Ya-Er Lake, China[J]. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH,2006,28(5):401-407.
APA	Jin, Lina,Liang, Lina,Jiang, Guibin,&Xu, Ying.(2006).Methylmercury, total mercury and total selenium in four common freshwater fish species from Ya-Er Lake, China.ENVIRONMENTAL GEOCHEMISTRY AND HEALTH,28(5),401-407.
MLA	Jin, Lina,et al."Methylmercury, total mercury and total selenium in four common freshwater fish species from Ya-Er Lake, China".ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 28.5(2006):401-407.