Heavy Metal Content and Health Risk Assessment of Some Selected Medicinal Plants from Obuasi, a Mining Town in Ghana

Medicinal plants represent an important class of traditional medicines. This research was conducted to assess the levels of selected heavy metals in some medicinal plants from Obuasi, a mining area in Ghana. Twenty different medicinal crops were sampled for this study. The levels of arsenic (As), ca...

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Main Authors: Flora Amerley Amarh, Eric Selorm Agorku, Ray Bright Voegborlo, Gerheart Winfred Ashong, Enoch Nii Klu Nortey, Napoleon Jackson Mensah
Format: Article
Language:English
Published: Wiley 2023-01-01
Series:Journal of Chemistry
Online Access:http://dx.doi.org/10.1155/2023/9928577
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author Flora Amerley Amarh
Eric Selorm Agorku
Ray Bright Voegborlo
Gerheart Winfred Ashong
Enoch Nii Klu Nortey
Napoleon Jackson Mensah
author_facet Flora Amerley Amarh
Eric Selorm Agorku
Ray Bright Voegborlo
Gerheart Winfred Ashong
Enoch Nii Klu Nortey
Napoleon Jackson Mensah
author_sort Flora Amerley Amarh
collection DOAJ
description Medicinal plants represent an important class of traditional medicines. This research was conducted to assess the levels of selected heavy metals in some medicinal plants from Obuasi, a mining area in Ghana. Twenty different medicinal crops were sampled for this study. The levels of arsenic (As), cadmium (Cd), chromium (Cr), mercury (Hg), manganese (Mn), nickel (Ni), and lead (Pb) were determined by inductively coupled plasma mass spectroscopy (ICP-MS) after wet digestion. The concentrations (mg/kg) of As, Cd, Cr, Hg, Mn, Ni, and Pb were 1.092 − 0.206, 1.341 − 0.253, 6.603 − 2.005, 0.045 − 0.001, 282.798 − 20.583, 4.967 − 1.676, and 26.410 − 0.629, respectively. Some concentrations of Cr, Cd, As, Mn, and Pb analyzed in all 20 medicinal plant samples exceeded WHO permissible limits for medicinal food while concentrations of Ni, As, and Hg for all the samples were below the WHO permissible limit. The estimated dietary intake (EDI) was compared to the tolerable daily intake recommended by WHO/FAO. Results obtained from hazard indices such as the hazard quotient and carcinogenic risk show that the medicinal plants are not likely to cause cancer if they are consumed over a prolonged period of time.
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spelling doaj-art-70271a67957e4eb1bed916079b9789af2025-02-03T06:45:21ZengWileyJournal of Chemistry2090-90712023-01-01202310.1155/2023/9928577Heavy Metal Content and Health Risk Assessment of Some Selected Medicinal Plants from Obuasi, a Mining Town in GhanaFlora Amerley Amarh0Eric Selorm Agorku1Ray Bright Voegborlo2Gerheart Winfred Ashong3Enoch Nii Klu Nortey4Napoleon Jackson Mensah5Department of ChemistryDepartment of ChemistryDepartment of ChemistryDepartment of ChemistryDepartment of Civil EngineeringDepartment of Pharmaceutical SciencesMedicinal plants represent an important class of traditional medicines. This research was conducted to assess the levels of selected heavy metals in some medicinal plants from Obuasi, a mining area in Ghana. Twenty different medicinal crops were sampled for this study. The levels of arsenic (As), cadmium (Cd), chromium (Cr), mercury (Hg), manganese (Mn), nickel (Ni), and lead (Pb) were determined by inductively coupled plasma mass spectroscopy (ICP-MS) after wet digestion. The concentrations (mg/kg) of As, Cd, Cr, Hg, Mn, Ni, and Pb were 1.092 − 0.206, 1.341 − 0.253, 6.603 − 2.005, 0.045 − 0.001, 282.798 − 20.583, 4.967 − 1.676, and 26.410 − 0.629, respectively. Some concentrations of Cr, Cd, As, Mn, and Pb analyzed in all 20 medicinal plant samples exceeded WHO permissible limits for medicinal food while concentrations of Ni, As, and Hg for all the samples were below the WHO permissible limit. The estimated dietary intake (EDI) was compared to the tolerable daily intake recommended by WHO/FAO. Results obtained from hazard indices such as the hazard quotient and carcinogenic risk show that the medicinal plants are not likely to cause cancer if they are consumed over a prolonged period of time.http://dx.doi.org/10.1155/2023/9928577
spellingShingle Flora Amerley Amarh
Eric Selorm Agorku
Ray Bright Voegborlo
Gerheart Winfred Ashong
Enoch Nii Klu Nortey
Napoleon Jackson Mensah
Heavy Metal Content and Health Risk Assessment of Some Selected Medicinal Plants from Obuasi, a Mining Town in Ghana
Journal of Chemistry
title Heavy Metal Content and Health Risk Assessment of Some Selected Medicinal Plants from Obuasi, a Mining Town in Ghana
title_full Heavy Metal Content and Health Risk Assessment of Some Selected Medicinal Plants from Obuasi, a Mining Town in Ghana
title_fullStr Heavy Metal Content and Health Risk Assessment of Some Selected Medicinal Plants from Obuasi, a Mining Town in Ghana
title_full_unstemmed Heavy Metal Content and Health Risk Assessment of Some Selected Medicinal Plants from Obuasi, a Mining Town in Ghana
title_short Heavy Metal Content and Health Risk Assessment of Some Selected Medicinal Plants from Obuasi, a Mining Town in Ghana
title_sort heavy metal content and health risk assessment of some selected medicinal plants from obuasi a mining town in ghana
url http://dx.doi.org/10.1155/2023/9928577
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