Concentration of Arsenic and Heavy Metals in Snail Tissues

Hava Mahmutovic,Radmila Markovic,Branislav Baltic,Nenad Katanic,Jelena Ciric,Natasa Glamoclija,Jelena Janjic

doi:10.18485/meattech.2018.59.2.1

Hava Mahmutovic, Radmila Markovic + Show 5 more

Open Access

https://doi.org/10.18485/meattech.2018.59.2.1

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Abstract

The aim of this study was to determine arsenic and heavy metal concentrations (lead, mercury, copper, cadmium, zinc, iron and manganese) in snail tissues (foot and digestive gland) obtained from snail farms in Serbia (near urban areas). Snail samples were analysed using atomic absorption spectrophotometry. A total of 730 individual snail samples were included in this study. Snails were packed into plastic bags and transported to the laboratory at the Faculty of Veterinary Medicine, University of Belgrade. The levels of arsenic and mercury in the examined snail tissues were below the detection limit of the analytical method. Concentrations of heavy metals were higher in digestive gland tissues than in foot tissues.

Highlights

The city of Belgrade and the nearby region situated on two rivers (Sava and Danube) is one of the most economically developed regions in Serbia
Heavy metal concentrations have rapidly grown in the urban environments from these anthropogenic sources (Milanov et al, 2016; Janjic et al, 2015; Ivanovic et al, 2016; Jovanovic et al, 2017; Ciric et al, 2018)
Cadmium and lead are non-essential metals, and their toxic effect can be relatively high in comparison to other metals (Zhiyou et al, 2016)

Summary

Introduction

The city of Belgrade and the nearby region situated on two rivers (Sava and Danube) is one of the most economically developed regions in Serbia. Rivers play an important role in the economic and social development in this region. Heavy metals are natural substances, so are considered as environmental contaminants (Gawad, 2018). They not degrade but accumulate throughout the trophic chain (Gupta and Singh, 2011). When the body accumulates heavy metals and does not metabolise them, they can be toxic (Gawad, 2018). Cadmium and lead are non-essential metals, and their toxic effect can be relatively high in comparison to other metals (Zhiyou et al, 2016)

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