Consumer health risk assessment from some heavy metal bioaccumulation in common carp (Cyprinus carpio) from lake Koka, Ethiopia
Heavy metal pollution is a serious problem in Ethiopian rift valley lakes, including Lake Koka, as a result of unmanaged industrial waste pollution. However, the bioaccumulation level in common carp (Cyprinus carpio), a commercially important fish species, are unknown. The aim of this research was,...
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| Format: | Article |
| Language: | English |
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Elsevier
2023-03-01
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| Series: | Heliyon |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S240584402301767X |
| _version_ | 1797851781216075776 |
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| author | Mathewos Temesgen Kebede Lemi Geleta |
| author_facet | Mathewos Temesgen Kebede Lemi Geleta |
| author_sort | Mathewos Temesgen Kebede |
| collection | DOAJ |
| description | Heavy metal pollution is a serious problem in Ethiopian rift valley lakes, including Lake Koka, as a result of unmanaged industrial waste pollution. However, the bioaccumulation level in common carp (Cyprinus carpio), a commercially important fish species, are unknown. The aim of this research was, therefore, to assess the heavy metal bioaccumulation in edible parts of common carp in Lake Koka and the associated health risks. Three sampling sites were selected randomly for primary data collection. Four heavy metals (Cd, Cr, Pb and Zn) were analyzed in water and the edible part of the fish using Atomic Absorption Spectroscopy (AAS). The mean concentrations of Zn, Cr and Cd in the edible part of fish ranged from 0.07 to 0.36 mg kg−1, Not Detected (ND)-0.24 mg kg−1 and ND-0.03 mg kg−1, respectively. Site 2 had the highest Zn and Cd content, while Site 3 had the highest Cr content. Pb was however not identified. The amount of Cr was above the permissible limit of FAO and the bioaccumulation showed marked differences among the sampling sites (p < 0.05). The concentrations of Cd, Pb and were below the maximum permissible limit. Cr and Zn had the highest and lowest transfer factor values, respectively. The carcinogenic hazard ratio values were below the threshold value (<1). The estimated weekly intake of heavy metals from fish muscles ranked as Cr > Zn > Cd, but the values were lower than the Reference Dose limit (RfDo). The carcinogenic risk value also indicated a low health risk associated with individual metals intake. Furthermore, the hazard index of the edible part of fish was less than unity. Generally, the water quality is not a risk for the survival and reproduction of fish and the heavy metal contents in the edible parts of fish exhibited low carcinogenic risk through the food chain. |
| first_indexed | 2024-04-09T19:22:18Z |
| format | Article |
| id | doaj.art-649729cf223644c3b3d23d839e81082d |
| institution | Directory Open Access Journal |
| issn | 2405-8440 |
| language | English |
| last_indexed | 2024-04-09T19:22:18Z |
| publishDate | 2023-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Heliyon |
| spelling | doaj.art-649729cf223644c3b3d23d839e81082d2023-04-05T08:26:48ZengElsevierHeliyon2405-84402023-03-0193e14560Consumer health risk assessment from some heavy metal bioaccumulation in common carp (Cyprinus carpio) from lake Koka, EthiopiaMathewos Temesgen Kebede0Lemi Geleta1Department of Biology, College of Natural Sciences, Ambo University, Ambo, Ethiopia; Corresponding author.Adea Berga District Environment, Forest and Climate Change Authority Office, Adea Berga, EthiopiaHeavy metal pollution is a serious problem in Ethiopian rift valley lakes, including Lake Koka, as a result of unmanaged industrial waste pollution. However, the bioaccumulation level in common carp (Cyprinus carpio), a commercially important fish species, are unknown. The aim of this research was, therefore, to assess the heavy metal bioaccumulation in edible parts of common carp in Lake Koka and the associated health risks. Three sampling sites were selected randomly for primary data collection. Four heavy metals (Cd, Cr, Pb and Zn) were analyzed in water and the edible part of the fish using Atomic Absorption Spectroscopy (AAS). The mean concentrations of Zn, Cr and Cd in the edible part of fish ranged from 0.07 to 0.36 mg kg−1, Not Detected (ND)-0.24 mg kg−1 and ND-0.03 mg kg−1, respectively. Site 2 had the highest Zn and Cd content, while Site 3 had the highest Cr content. Pb was however not identified. The amount of Cr was above the permissible limit of FAO and the bioaccumulation showed marked differences among the sampling sites (p < 0.05). The concentrations of Cd, Pb and were below the maximum permissible limit. Cr and Zn had the highest and lowest transfer factor values, respectively. The carcinogenic hazard ratio values were below the threshold value (<1). The estimated weekly intake of heavy metals from fish muscles ranked as Cr > Zn > Cd, but the values were lower than the Reference Dose limit (RfDo). The carcinogenic risk value also indicated a low health risk associated with individual metals intake. Furthermore, the hazard index of the edible part of fish was less than unity. Generally, the water quality is not a risk for the survival and reproduction of fish and the heavy metal contents in the edible parts of fish exhibited low carcinogenic risk through the food chain.http://www.sciencedirect.com/science/article/pii/S240584402301767XBio-accumulationCyprinus carpioHazard riskHeavy metalsLake Koka |
| spellingShingle | Mathewos Temesgen Kebede Lemi Geleta Consumer health risk assessment from some heavy metal bioaccumulation in common carp (Cyprinus carpio) from lake Koka, Ethiopia Heliyon Bio-accumulation Cyprinus carpio Hazard risk Heavy metals Lake Koka |
| title | Consumer health risk assessment from some heavy metal bioaccumulation in common carp (Cyprinus carpio) from lake Koka, Ethiopia |
| title_full | Consumer health risk assessment from some heavy metal bioaccumulation in common carp (Cyprinus carpio) from lake Koka, Ethiopia |
| title_fullStr | Consumer health risk assessment from some heavy metal bioaccumulation in common carp (Cyprinus carpio) from lake Koka, Ethiopia |
| title_full_unstemmed | Consumer health risk assessment from some heavy metal bioaccumulation in common carp (Cyprinus carpio) from lake Koka, Ethiopia |
| title_short | Consumer health risk assessment from some heavy metal bioaccumulation in common carp (Cyprinus carpio) from lake Koka, Ethiopia |
| title_sort | consumer health risk assessment from some heavy metal bioaccumulation in common carp cyprinus carpio from lake koka ethiopia |
| topic | Bio-accumulation Cyprinus carpio Hazard risk Heavy metals Lake Koka |
| url | http://www.sciencedirect.com/science/article/pii/S240584402301767X |
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