Levels of some trace metals (Fe, Zn, Cu, Mn, Cr, Ni, Pb and Cd) in Vernonia amygdalina (bitter leaf) obtained in Ibeno, Akwa Ibom State, Nigeria were quantified using standard procedures. Soil samples as well as roots and leaves samples of the plant were collected from three locations (Okoroitak, Inua Eyet Ikot, Iwuo Okpom) in Ibeno, where intensive oil exploration activities are carried out. Samples were equally collected from Mbiabam Ibiono where there is no oil exploration, to serve as the controls. The results revealed that the metal levels in the soil ranged from < 0.06 mg/kg Cd to 8316.72±3.09 mg/kg Fe, those in the roots of the plant ranged from < 0.001 mg/kg Cd to 450.48±3.08 mg/kg Fe and those in the leaves, ranged from < 0.001mg/kg Cd to 1650.36±5.46 mg/kg Fe. The corresponding metal levels in the control samples were generally low compared to those of the study area. This could be attributed to the absence of oil exploration activities in the control area. Analysis of the metals pollution status of the plant using transfer factor (TF) revealed the trend: Cu > Pb > Zn >Cr > Mn > Ni > Cd > Fe. The levels of all the investigated metals in the analyzed V. amygdalina samples were lower than the WHO maximum permissible limits of the metals in plants and hence, the suitability of the analyzed V. amygdalina for human consumption in whatever form, at the time of the study.
Published in | American Journal of Quantum Chemistry and Molecular Spectroscopy (Volume 4, Issue 1) |
DOI | 10.11648/j.ajqcms.20200401.12 |
Page(s) | 7-16 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2020. Published by Science Publishing Group |
Quantification, Trace Metals, Contamination, Vernonia amygdalina, Oil Exploration, Ibeno
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APA Style
Emmanuel Isaac Uwah, Namnso Charles Udoaka, Uduak Aniesua Essiett. (2020). Distribution of Some Trace Metals in Bitter Leaf (Vernonia amygdalina) Obtained in Oil Exploration Area of Ibeno, Nigeria. American Journal of Quantum Chemistry and Molecular Spectroscopy, 4(1), 7-16. https://doi.org/10.11648/j.ajqcms.20200401.12
ACS Style
Emmanuel Isaac Uwah; Namnso Charles Udoaka; Uduak Aniesua Essiett. Distribution of Some Trace Metals in Bitter Leaf (Vernonia amygdalina) Obtained in Oil Exploration Area of Ibeno, Nigeria. Am. J. Quantum Chem. Mol. Spectrosc. 2020, 4(1), 7-16. doi: 10.11648/j.ajqcms.20200401.12
@article{10.11648/j.ajqcms.20200401.12, author = {Emmanuel Isaac Uwah and Namnso Charles Udoaka and Uduak Aniesua Essiett}, title = {Distribution of Some Trace Metals in Bitter Leaf (Vernonia amygdalina) Obtained in Oil Exploration Area of Ibeno, Nigeria}, journal = {American Journal of Quantum Chemistry and Molecular Spectroscopy}, volume = {4}, number = {1}, pages = {7-16}, doi = {10.11648/j.ajqcms.20200401.12}, url = {https://doi.org/10.11648/j.ajqcms.20200401.12}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajqcms.20200401.12}, abstract = {Levels of some trace metals (Fe, Zn, Cu, Mn, Cr, Ni, Pb and Cd) in Vernonia amygdalina (bitter leaf) obtained in Ibeno, Akwa Ibom State, Nigeria were quantified using standard procedures. Soil samples as well as roots and leaves samples of the plant were collected from three locations (Okoroitak, Inua Eyet Ikot, Iwuo Okpom) in Ibeno, where intensive oil exploration activities are carried out. Samples were equally collected from Mbiabam Ibiono where there is no oil exploration, to serve as the controls. The results revealed that the metal levels in the soil ranged from Pb > Zn >Cr > Mn > Ni > Cd > Fe. The levels of all the investigated metals in the analyzed V. amygdalina samples were lower than the WHO maximum permissible limits of the metals in plants and hence, the suitability of the analyzed V. amygdalina for human consumption in whatever form, at the time of the study.}, year = {2020} }
TY - JOUR T1 - Distribution of Some Trace Metals in Bitter Leaf (Vernonia amygdalina) Obtained in Oil Exploration Area of Ibeno, Nigeria AU - Emmanuel Isaac Uwah AU - Namnso Charles Udoaka AU - Uduak Aniesua Essiett Y1 - 2020/08/27 PY - 2020 N1 - https://doi.org/10.11648/j.ajqcms.20200401.12 DO - 10.11648/j.ajqcms.20200401.12 T2 - American Journal of Quantum Chemistry and Molecular Spectroscopy JF - American Journal of Quantum Chemistry and Molecular Spectroscopy JO - American Journal of Quantum Chemistry and Molecular Spectroscopy SP - 7 EP - 16 PB - Science Publishing Group SN - 2994-7308 UR - https://doi.org/10.11648/j.ajqcms.20200401.12 AB - Levels of some trace metals (Fe, Zn, Cu, Mn, Cr, Ni, Pb and Cd) in Vernonia amygdalina (bitter leaf) obtained in Ibeno, Akwa Ibom State, Nigeria were quantified using standard procedures. Soil samples as well as roots and leaves samples of the plant were collected from three locations (Okoroitak, Inua Eyet Ikot, Iwuo Okpom) in Ibeno, where intensive oil exploration activities are carried out. Samples were equally collected from Mbiabam Ibiono where there is no oil exploration, to serve as the controls. The results revealed that the metal levels in the soil ranged from Pb > Zn >Cr > Mn > Ni > Cd > Fe. The levels of all the investigated metals in the analyzed V. amygdalina samples were lower than the WHO maximum permissible limits of the metals in plants and hence, the suitability of the analyzed V. amygdalina for human consumption in whatever form, at the time of the study. VL - 4 IS - 1 ER -