Food chain transfer of cadmium and lead to cattle in a lead-zinc smelter in Guizhou, China

被引：106
作者：
Cai, Qju [1 ]
Long, Mei-Li [2 ]
Zhu, Ming [1 ]
Zhou, Qing-Zhen [2 ]
Zhang, Ling [1 ]
Liu, Jie [3 ]
机构：
[1] Guizhou Import Export Inspect Bur, Guiyang 550004, Peoples R China
[2] Guizhou Acad Sci, Guiyang 550001, Peoples R China
[3] Zunyi Med Coll, Zunyi 563003, Peoples R China
来源：
ENVIRONMENTAL POLLUTION | 2009年 / 157卷 / 11期
关键词：
Cadmium; Lead; Environmental pollution; Food chain; Cattle kidney; Liver; ESSENTIAL TRACE-METALS; LEAD/ZINC MINE; POLLUTED AREA; MINING AREAS; ACCUMULATION; SOIL; SPAIN; LIVER; CONTAMINATION; POPULATION;
D O I：
10.1016/j.envpol.2009.05.048
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Cadmium (Cd) and Lead (Pb) are environmental pollutants. Environmental samples and bovine tissues were collected from the areas around a lead-zinc smelter in Guizhou, China for Cd, Pb, zinc (Zn) and copper (Cu) analysis. Cd in soil (10 mg/kg) and feed (6.6 mg/kg) from the polluted areas was 10 times higher than the Chinese Standards, resulting in higher Cd in bovine kidney (38 mg/kg) and liver (2.5 mg/kg). Pb in feed (132 mg/kg) from the polluted area was much higher than unpolluted areas, causing higher Pb levels in bovine tissues. Environmental Zn was elevated, but bovine tissue Zn was normal. Cu in bovine liver decreased with increased Cd and Pb. Metals in drinking water and in bovine muscle were within the Standard range. Thus, in the areas of this lead-zinc smelter, the environment has been contaminated with Cd and Pb, which has been transferred to cattle through the food chain. (C) 2009 Elsevier Ltd. All rights reserved.
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收藏
页码：3078 / 3082
页数：5
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