Heavy Metals (Mercury, Lead and Cadmium) Determination in 17 Species of Fish Marketed in Khorramabad City, West of Iran

Authors

1 Department of Food Engineering, Sabzevar Branch, Islamic Azad University, Sabzevar, Iran

2 Food and Beverages Safety Research Center, Urmia University of Medical Sciences, Urmia, Iran Lorestan University of Medical Sciences, Khorramabad, Iran

3 Faculty of Health, Zanjan University of Medical Sciences, Zanjan, Iran

Abstract

Heavy metals entrance to fish body tissues and transferring to human body systems after their consuming makes numerous undesirable effects and health problems. The aim of this study was to determine some heavy metals (lead, cadmium and mercury) in fresh fishes marketed in Khorramabad City, west of Iran. In this descriptive study, five samples of 17 fish species with high consumption were purchased randomly in 2014. Measurement of mercury, lead and cadmium was performed using atomic absorption spectrometry. All measurements were performed three times for each sample. Lead mean levels in fish samples was in the range 0.736 -1.005 ppm, cadmium range was from 0.196 to 0.015 ppm and mean content of mercury was  0.431 - 0.107 ppm. At present mean concentration of lead, mercury and cadmium in supplied fishes muscle is lower than maximum recommended levels according to WHO, EC and FDA guidelines. Based on the obtained results of this study and the importance of heavy metals in foods and their impacts on human health, continuous monitoring of heavy metals levels in foods is necessary.

Keywords


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