merged

Selected Metallic Elements Concentration in Raw and Cooked Loligo
chinensis
Cheah Wen Jie
Supervisor: Dr. Ong Meng Chuan
Bachelor of Science (Marine Science)
School of Marine and Environmental Sciences
Universiti Malaysia Terengganu
This study was to determine the concentration of selected metallic elements (Zn, Cu,
Cd and Hg) in raw and cooked L. chinensis which collected from East and West Coast
of Peninsular Malaysia. Teflon bomb digestion was used to digest the sample and
Inductively Coupled Plasma Mass Spectrometry (ICP-MS) was used to determine the
concentration of selected metallic elements in squid after digested. The average
concentrations of Zn, Cu, Cd and Hg in raw and cooked L. chinensis were 49.37±17.29
µg/g, 18.01±5.17 µg/g, 0.61±0.18 µg/g and 0.17±0.06 µg/g in dry weights
respectively. Zinc, Cu and Hg had positive correlation with increasing size (length) of
raw and cooked squid. In this study, the raw and cooked squids that people consumed
were lower than Provisional Tolerable Weekly Intake (PTWI) value set by FAO/WHO.
Consequently, based on the estimated data that obtained, L. chinensis in Peninsular
Malaysia were safe to be consumed by human.
1862 | UMT UNDERGRADUATE RESEARCH DAY 2018