Concentrations of heavy metals in three commonly used medicinal vegetables in Akwa- Ibom state

Journal Title: Scientific Journal of Environmental Sciences - Year 2012, Vol 1, Issue 2

Abstract

The concentrations of heavy metals were studied in three medicinal vegetables in Akwa- Ibom State. The plants used in this study were Gongronema latifolium; Telferia occidentalis and Vernonia amygdalina. The heavy metals investigated were lead (Pb), Zinc (Zn), Copper (Cu), Cobalt (Co), Chromium (Cr), Nickel (Ni), Cadmium (Cd), Manganese (Mn) and Iron (Fe). Dry ashing methods were used in obtaining samples for heavy metal analysis. Quantities of the heavy metals were read off using Atomic Absorption Spectrophotometer (AAS). The results of the work showed variations in the concentrations of these metals which ranged from slightly low to high amounts, Zn, Cu, Fe, and Mn had high values, while Pb, Cd, Co, Cr and Ni had relatively low concentrations in the vegetables. The results of the findings are discussed.

Authors and Affiliations

F. O. Ogbemudia| Department of Botany and Ecological studies, University of Uyo, Uyo, Akwa-Ibom State, Nigeria., I. N. Bassey| Department of Botany and Ecological studies, University of Uyo, Uyo, Akwa-Ibom State, Nigeria., O. Kekere| Department of Plant Science and Biotechnology,Faculty of Science, Adekunle Ajasin University, Akungba Akoko, Ondo State, Nigeria., E. D. Udo| Department of Botany and Ecological studies, University of Uyo, Uyo, Akwa-Ibom State, Nigeria.

Keywords

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  • EP ID EP1286
  • DOI -
  • Views 649
  • Downloads 62

How To Cite

F. O. Ogbemudia, I. N. Bassey, O. Kekere, E. D. Udo (2012). Concentrations of heavy metals in three commonly used medicinal vegetables in Akwa- Ibom state. Scientific Journal of Environmental Sciences, 1(2), 21-29. https://europub.co.uk/articles/-A-1286