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Potential Human Health Risk Assessment of Heavy Metals via the Consumption of Tilapia Oreochromis Mossambicus Collected from Contaminated and Uncontaminated Ponds

Fish tilapia Oreochromis mossambicus were collected from a contaminated Seri Serdang (SS) pond potentially receiving domestic effluents and an uncontaminated pond from Universiti Putra Malaysia (UPM). The fish were dissected into four parts namely gills, muscles, intestines, and liver. All the fish...

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Main Authors: Yap, Chee Kong, Jusoh, Amiruddin, Leong, Wah June, Karami, Ali, Ong, Ghim Hock
Format: Article
Published: Springer International Publishing 2015
Subjects:
GE Environmental Sciences
Online Access:http://eprints.intimal.edu.my/21/
http://link.springer.com/article/10.1007%2Fs10661-015-4812-z
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spelling my-inti-eprints.212016-09-15T07:46:41Z http://eprints.intimal.edu.my/21/ Potential Human Health Risk Assessment of Heavy Metals via the Consumption of Tilapia Oreochromis Mossambicus Collected from Contaminated and Uncontaminated Ponds Yap, Chee Kong Jusoh, Amiruddin Leong, Wah June Karami, Ali Ong, Ghim Hock GE Environmental Sciences Fish tilapia Oreochromis mossambicus were collected from a contaminated Seri Serdang (SS) pond potentially receiving domestic effluents and an uncontaminated pond from Universiti Putra Malaysia (UPM). The fish were dissected into four parts namely gills, muscles, intestines, and liver. All the fish parts were pooled and analyzed for the concentrations of Cd, Cu, Fe, Ni, Pb, and Zn. Generally, the concentrations of all metals were low in the edible muscle in comparison to the other parts of the fish. It was found that the levels of all the heavy metals in the different parts of fish collected from the SS were significantly (P < 0.05) higher than those from UPM, indicating greater metal bioavailabilities in the SS pond. The sediment data also showed a similar pattern with significantly (P < 0.05) higher metal concentrations in SS than in UPM, indicating higher metal contamination in SS. Potential health risk assessments based on provisional tolerable weekly intake (PTWI) and the amount of fish required to reach the PTWI values, estimated daily intake (EDI), and target hazard quotient (THQ) indicated that health risks associated with heavy metal exposure via consumption of the fish’s muscles were insignificant to human. Therefore, the consumption of the edible muscles of tilapia from both ponds should pose no toxicological risk of heavy metals since their levels are also below the recommended safety guidelines. While it is advisable to discard the livers, gills, and intestines of the two tilapia fish populations before consumption, there were no potential human health risks of heavy metals to the consumers on the fish muscle part. Springer International Publishing 2015-08-23 Article PeerReviewed Yap, Chee Kong and Jusoh, Amiruddin and Leong, Wah June and Karami, Ali and Ong, Ghim Hock (2015) Potential Human Health Risk Assessment of Heavy Metals via the Consumption of Tilapia Oreochromis Mossambicus Collected from Contaminated and Uncontaminated Ponds. Environmental Monitoring and Assessment, 187 (9). ISSN 1573-2959 http://link.springer.com/article/10.1007%2Fs10661-015-4812-z 10.1007/s10661-015-4812-z
institution INTI International University
building INTI Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider INTI International University
content_source INTI Institutional Repository
url_provider http://eprints.intimal.edu.my
topic GE Environmental Sciences
spellingShingle GE Environmental Sciences
Yap, Chee Kong
Jusoh, Amiruddin
Leong, Wah June
Karami, Ali
Ong, Ghim Hock
Potential Human Health Risk Assessment of Heavy Metals via the Consumption of Tilapia Oreochromis Mossambicus Collected from Contaminated and Uncontaminated Ponds
description Fish tilapia Oreochromis mossambicus were collected from a contaminated Seri Serdang (SS) pond potentially receiving domestic effluents and an uncontaminated pond from Universiti Putra Malaysia (UPM). The fish were dissected into four parts namely gills, muscles, intestines, and liver. All the fish parts were pooled and analyzed for the concentrations of Cd, Cu, Fe, Ni, Pb, and Zn. Generally, the concentrations of all metals were low in the edible muscle in comparison to the other parts of the fish. It was found that the levels of all the heavy metals in the different parts of fish collected from the SS were significantly (P < 0.05) higher than those from UPM, indicating greater metal bioavailabilities in the SS pond. The sediment data also showed a similar pattern with significantly (P < 0.05) higher metal concentrations in SS than in UPM, indicating higher metal contamination in SS. Potential health risk assessments based on provisional tolerable weekly intake (PTWI) and the amount of fish required to reach the PTWI values, estimated daily intake (EDI), and target hazard quotient (THQ) indicated that health risks associated with heavy metal exposure via consumption of the fish’s muscles were insignificant to human. Therefore, the consumption of the edible muscles of tilapia from both ponds should pose no toxicological risk of heavy metals since their levels are also below the recommended safety guidelines. While it is advisable to discard the livers, gills, and intestines of the two tilapia fish populations before consumption, there were no potential human health risks of heavy metals to the consumers on the fish muscle part.
format Article
author Yap, Chee Kong
Jusoh, Amiruddin
Leong, Wah June
Karami, Ali
Ong, Ghim Hock
author_facet Yap, Chee Kong
Jusoh, Amiruddin
Leong, Wah June
Karami, Ali
Ong, Ghim Hock
author_sort Yap, Chee Kong
title Potential Human Health Risk Assessment of Heavy Metals via the Consumption of Tilapia Oreochromis Mossambicus Collected from Contaminated and Uncontaminated Ponds
title_short Potential Human Health Risk Assessment of Heavy Metals via the Consumption of Tilapia Oreochromis Mossambicus Collected from Contaminated and Uncontaminated Ponds
title_full Potential Human Health Risk Assessment of Heavy Metals via the Consumption of Tilapia Oreochromis Mossambicus Collected from Contaminated and Uncontaminated Ponds
title_fullStr Potential Human Health Risk Assessment of Heavy Metals via the Consumption of Tilapia Oreochromis Mossambicus Collected from Contaminated and Uncontaminated Ponds
title_full_unstemmed Potential Human Health Risk Assessment of Heavy Metals via the Consumption of Tilapia Oreochromis Mossambicus Collected from Contaminated and Uncontaminated Ponds
title_sort potential human health risk assessment of heavy metals via the consumption of tilapia oreochromis mossambicus collected from contaminated and uncontaminated ponds
publisher Springer International Publishing
publishDate 2015
url http://eprints.intimal.edu.my/21/
http://link.springer.com/article/10.1007%2Fs10661-015-4812-z
_version_ 1644541101995982848
score 13.211869

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