Selected heavy metals concentration in edible tissue of the mud crab genus Scylla from Setiu Wetlands Terengganu

Ong Meng Chuan, . and Nor Amalina Mat Ali, . and Noor Azhar Mohamed Shazili, . and Bidai Joseph, . Selected heavy metals concentration in edible tissue of the mud crab genus Scylla from Setiu Wetlands Terengganu. pp. 112-118. ISSN 1823-8556

This study was carried out to determine the level of selected heavy metals (Cu Zn Pb and Cd) in edible tissue in mud crab genus Scylla collected along Setiu Wetland Terengganu. In this study Inductively Coupled Plasma Mass Spectrometry (ICP-MS) was used to determine the concentration of heavy metals in mud crabs after digested in closed Teflon bomb with suprapur nitric acid. The average concentration for Cu Zn Pb and Cd were 89 g/g 137 g/g 0.22 g/g and 0.25 g/g dry weights respectively. Zinc Pb and Cd were well correlated with the mud crab size where the metals concentration increasing with the size. This study also revealed that Cu and Zn concentration in the edible tissues most of the samples were also higher if directly compared to the maximum permitted level 100 g/g for Cu and 150 g/g for Zn set by Malaysia Food Regulation. However the edible tissues that people consumed do not exceed the Provisional Tolerable Weekly Intake (PTWI) value set by FAO/WHO. As a conclusion the mud crabs from Setiu wetlands are still safe to be consumed and did not give any adverse health risk effect to local communities.

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Abstract

This study was carried out to determine the level of selected heavy metals (Cu Zn Pb and Cd) in edible tissue in mud crab genus Scylla collected along Setiu Wetland Terengganu. In this study Inductively Coupled Plasma Mass Spectrometry (ICP-MS) was used to determine the concentration of heavy metals in mud crabs after digested in closed Teflon bomb with suprapur nitric acid. The average concentration for Cu Zn Pb and Cd were 89 g/g 137 g/g 0.22 g/g and 0.25 g/g dry weights respectively. Zinc Pb and Cd were well correlated with the mud crab size where the metals concentration increasing with the size. This study also revealed that Cu and Zn concentration in the edible tissues most of the samples were also higher if directly compared to the maximum permitted level 100 g/g for Cu and 150 g/g for Zn set by Malaysia Food Regulation. However the edible tissues that people consumed do not exceed the Provisional Tolerable Weekly Intake (PTWI) value set by FAO/WHO. As a conclusion the mud crabs from Setiu wetlands are still safe to be consumed and did not give any adverse health risk effect to local communities.

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Item Type:	Article
AGROVOC Term:	Heavy metals
AGROVOC Term:	Scylla
AGROVOC Term:	Aquatic animals
AGROVOC Term:	Aquatic organisms
AGROVOC Term:	Distilled water
AGROVOC Term:	Nitric acid
AGROVOC Term:	Mass spectrometry
AGROVOC Term:	Analytical methods
AGROVOC Term:	Cadmium
AGROVOC Term:	Lead
Geographical Term:	Malaysia
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	28 Apr 2025 07:07
URI:	http://webagris.upm.edu.my/id/eprint/24200

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