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Heavy metals uptake by Asian swamp eel, Monopterus albus from paddy fields of Kelantan, Peninsular Malaysia: preliminary study

Sow, Ai Yin and Ismail, Ahmad and Zulkifli, Syaizwan Zahmir (2012) Heavy metals uptake by Asian swamp eel, Monopterus albus from paddy fields of Kelantan, Peninsular Malaysia: preliminary study. Tropical Life Sciences Research, 23 (2). pp. 27-38. ISSN 1985-3718; ESSN: 2180-4249

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Official URL: http://www.tlsr.usm.my/TLSRvol23no2.html

Abstract

Swamp eel, Monopterus albus is one of the common fish in paddy fields, thus it is suitable to be a bio-monitor for heavy metals pollution studies in paddy fields. This study was conducted to assess heavy metals levels in swamp eels collected from paddy fields in Kelantan, Malaysia. The results showed zinc [Zn (86.40 µg/g dry weight)] was the highest accumulated metal in the kidney, liver, bone, gill, muscle and skin. Among the selected organs, gill had the highest concentrations of lead (Pb), cadmium (Cd) and nickel (Ni) whereas muscle showed the lowest total metal accumulation of Zn, Pb, copper (Cu), Cd and Ni. Based on the Malaysian Food Regulation, the levels of Zn and Cu in edible parts (muscle and skin) were within the safety limits. However, Cd, Pb and Ni exceeded the permissible limits. By comparing with the maximum level intake (MLI), Pb, Ni and Cd in edible parts can still be consumed. This investigation indicated that M. albus from paddy fields of Kelantan are safe for human consumption with little precaution.

Item Type:Article
Keyword:Heavy metals; Swamp eel; Paddy fields
Faculty or Institute:Faculty of Science
Publisher:Penerbit Universiti Sains Malaysia
ID Code:6964
Deposited By: Norhazura Hamzah
Deposited On:25 May 2010 09:48
Last Modified:13 Apr 2017 15:58

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