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    Trace metal dynamics and risk assessment in the commercially important marine shrimp species collected from the Miri coast, Sarawak, East Malaysia

    Access Status
    Fulltext not available
    Authors
    Anandkumar, A.
    Ramasamy, Nagarajan
    Prabakaran, K.
    Rajaram, R.
    Date
    2017
    Type
    Journal Article
    
    Metadata
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    Citation
    Anandkumar, A. and Ramasamy, N. and Prabakaran, K. and Rajaram, R. 2017. Trace metal dynamics and risk assessment in the commercially important marine shrimp species collected from the Miri coast, Sarawak, East Malaysia. Regional Studies in Marine Science. 16: pp. 79-88.
    Source Title
    Regional Studies in Marine Science
    DOI
    10.1016/j.rsma.2017.08.007
    ISSN
    2352-4855
    School
    Curtin Malaysia
    URI
    http://hdl.handle.net/20.500.11937/58198
    Collection
    • Curtin Research Publications
    Abstract

    © 2017 Elsevier B.V. The present study reports a preliminary survey of the presence of trace metal concentrations (Cu, Cd, Cr, Co, Ni, Pb, Mn, Zn and Rb) in the edible shrimp (Parapenaeopsis sculptilis, Litopenaeus vannamei, Penaeus merguiensis, Harpiosquilla harpax and Acetes indicus) tissues collected from the Miri coast, Sarawak. The bio accumulation of trace metals in the muscle tissues were determined by Flame Atomic Absorption Spectrometer. The concentration of these trace metals ranged from 32.43 to 80.87 µg g -1 for Cu, 0.12 to 2.10 µg g -1 for Cd, 1.20 to 4.70 µg g -1 for Co, 2.55 to 10.15 µg g -1 for Cr, 7.30 to 51.35 µg g -1 for Mn, 1.55 to 8.07 µg g -1 for Ni, 1.64 to 7.25 µg g -1 for Pb and 62.43 to 203.00 µg g -1 for Zn. Among the analyzed metals, Zn concentration was higher and Cd was the least accumulated metal. This is due to the bioavailability and soluble trace metals in the studied coastal environment. Variations in the inter-elemental relationship of muscle tissues may be related to the body size (length and weight), a period of exposure and biological particularities of each species. The calculated estimated daily intake (EDI) and hazard indices indicate that the metal levels are lower than the permissible limits of Malaysian and International seafood's guidelines and results in no acute toxicities and safe for human consumption. Therefore, these species can be used as an efficient bioindicator of environmental quality and human health.

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