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Toxic metals in perna viridis mussel and surface seawater in Pasir Gudang coastal area, Malaysia, and its health implications

Mahat, Naji Arafat and Muktar, Nor Kamilah and Ismail, Razali and Abdul Razak, Fazira Ilyana and Abdul Wahab, Roswanira and Abdul Keyon, Aemi Syazwani (2018) Toxic metals in perna viridis mussel and surface seawater in Pasir Gudang coastal area, Malaysia, and its health implications. Environmental Science and Pollution Research, 25 (30). pp. 30224-30235. ISSN 0944-1344

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Official URL: http://dx.doi.org/10.1007/s11356-018-3033-8

Abstract

Contamination of toxic metals in P. viridis mussels has been prevalently reported; hence, health risk assessment for consuming this aquaculture product as well as the surrounding surface seawater at its harvesting sites appears relevant. Since Kampung Pasir Puteh, Pasir Gudang is the major harvesting site in Malaysia, and because the last heavy metal assessment was done in 2009, its current status remains unclear. Herein, flame atomic absorption spectrometry and flow injection mercury/hydride system were used to determine the concentrations of Pb, Cd, Cu and total Hg in P. viridis mussels and surface seawater (January–March 2015), respectively. Significantly higher concentrations of these metals were found in P. viridis mussels (p < 0.05) than that of surface seawater samples. The concentrations for Pb (4.27–6.55 μg/g) and Cd (1.55–2.21 μg/g) in P. viridis mussels exceeded the maximum permitted proportion prescribed by the Malaysian law. The concentrations of all metals in surface seawater also violated the Malaysia Marine Water Quality Criteria and Standards. Significant (p < 0.05) and high strength of association (r = 0.787) observed between Pb concentration in P. viridis mussel with the surface seawater indicates its possible application for inferring Pb concentrations in the mussel. Since both the calculated target hazard quotient and hazard index for Pb and Cd exceeded 1, the possible detrimental health impacts on human for consuming P. viridis mussels from this rearing site cannot be ignored. Hence, promoting continuous monitoring programmes and developing efficient toxic metal removal techniques prior to entering the market are required.

Item Type:Article
Uncontrolled Keywords:flame atomic absorption spectrometry, flow injection mercury/hydride system, P. viridis mussel, risk assessment, surface seawater, toxic metals
Subjects:Q Science > QD Chemistry
Divisions:Science
ID Code:84488
Deposited By: Yanti Mohd Shah
Deposited On:11 Jan 2020 15:31
Last Modified:11 Jan 2020 15:31

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