Levels and Health Risk Assessments of Cd and Pb in Pomadasys maculatus Marketed by Karachi Fish Harbor, Pakistan
Abstract: Aim of this study
was to measure cadmium and lead concentrations in the edible tissues of Saddle
grunt Pomadasys maculatus (Bloch, 1793) from Karachi Fish Harbor different
seasons of the year 2011. Results showed
that the concentration varied from 0.18 to 1.14 with a mean of 0.59 ± 0.05
mg.kg-1 for Cd and from 0.02 to 1.54 with a mean of 0.54 ± 0.05 mg.kg-1 for Pb.
These concentrations are higher than the maximum permissible values in European
and other international regulations (Global Agricultural Information Network
Report for China, Russian Federation , Australia New Zealand Food Standards,
Georgian Food Safety Rules, Turkish Food Codex and the Ministry of Agriculture,
Fisheries and Food). However the average weekly intakes of Cd and Pb per body
weight values (minimum-maximum) were 0.021 (0.0063-0.0399) and 0.019
(0.0007-0.0539)mg.week-1.70 kg body weight-1, respectively and not exceeded the
Provisional Tolerable Weekly Intake (PTWI) established. Consumption of Saddle
grunt from the Karachi coasts of Pakistan can therefore be said to constitute
no health risks so far as the heavy metals investigated are concerned. However,
due to the Cd and Pb muscle levels exceeded the maximum levels of fish
permitted for human consumption, a plausible health risk could be posed by
long-term exposed through Saddle grunt consumption.
Author: Quratulan Ahmed,
Levent Bat
Journal Code: jpperikanangg160022
