Arsenic, cadmium, and mercury in cocoyam (Xanthosoma sagititolium) and watercocoyam (Colocasia esculenta) in Tarkwa a mining community

被引：30

作者：

Essumang, D. K. ^{[1
]}

Dodoo, D. K. ^{[1
]}

Obiri, S. ^{[1
]}

Yaney, J. Y. ^{[1
]}

机构：

[1] Univ Cape Coast, Dept Chem, Environm Res Grp, Cape Coast, Ghana

来源：

BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2007年 / 79卷 / 04期

关键词：

Colocasia esculenta; Xanthosoma sagititolium; Efuantah; Nsuta and Tamso;

D O I：

10.1007/s00128-007-9244-1

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Cocoyam (Xanthosoma sagititolium) and Watercocoyam (Colocasia esculenta) have gained increased importance in the diets of majority of people in developing countries such as Ghana. The concentration levels of arsenic, cadmium, and mercury in Cocoyam (X. sagititolium) and Watercocoyam (C. esculenta) in Tarkwa and its surrounding villages a mining community in Ghana were measured in this study. From the results of the study, the levels of arsenic, cadmium and mercury in X. sagititolium and C. esculenta were higher than the WHO recommended levels. These root tubers absorb or uptake toxic chemicals from the soil as a result of the mining operations. This means that, the consumption of X. sagititolium and C. esculenta by humans from such environments may pose a serious health risk. There is therefore the need for a concerted effort by all to minimize the negative impact of gold mining in the study area.

引用

页码：377 / 379

页数：3