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127649

HEAVY METAL RESIDUES IN SOME MANZALA LAKE FISHES

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Last updated: 22 Jan 2023

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Food Hygiene

Abstract

This study aimed to determine the content of heavy metals as lead, mercury, cadmium and arsenic in edible muscles of three common freshwater fishes like Nile tilapia, Flathead grey mullet and African catfish. A total of 300 freshly caught fish samples (100 each) of different weights collected from Manzala Lake, Egypt during both summer and winter seasons of 2012 have been analyzed using air acetylene flame atomic absorption spectrophotometer. The obtained results revealed that the presence of lead, mercury, cadmium and arsenic in all (100%) examined samples by means of 0.704 µg/g, 0.635 µg/g and 0.64 µg/g for Pb, 0.045 µg/g, 0.0145 µg/g and 0.017 µg/g for Hg, 0.025 µg/g, 0.006 µg/g and 0.020 µg/g for Cd and 0.511 µg/g, 0.621 µg/g and 0.568 µg/g for As in Nile tilapia, Flathead grey mullet and African catfish , respectively. heavy metal concentrations were significantly varied within and between the studied fishes. However, a significant correlation among heavy metals was observed. This study indicated that various concentrations of heavy metals exist in sampled fish species and most of those levels are within the maximum permissible limits proposed by the Egyptian standards except for Pb, its level exceeded the permissible limits in the majority of tested samples. Therefore, fish caught from Manzala Lake can be considered unsafe for human consumption

DOI

10.21608/mvmj.2017.127649

Keywords

Heavy metals, residues, fish, Egypt

Authors

First Name

Samir

Last Name

Abd-Elghany

MiddleName

Mohammed

Affiliation

Food Hygiene and Control Department, Faculty of Veterinary Medicine, Mansoura University

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Orcid

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First Name

Rana

Last Name

Abu El-Naase

MiddleName

Abd-Elnaser

Affiliation

*Food Hygiene and Control Department, Faculty of Veterinary Medicine, Mansoura University

Email

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City

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Orcid

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First Name

Khalid

Last Name

Sallam

MiddleName

Ibrahim

Affiliation

Food Hygiene and Control Department, Faculty of Veterinary Medicine, Mansoura University

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Volume

18

Article Issue

1

Related Issue

17809

Issue Date

2017-06-01

Receive Date

2017-09-12

Publish Date

2017-12-12

Page Start

1

Page End

14

Print ISSN

1110-7219

Online ISSN

2682-2512

Article File

MVMJ_Volume 18_Issue 1_Pages 1-14.pdf

PDF . 533.4kB

Link

https://mvmj.journals.ekb.eg/article_127649.html

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https://mvmj.journals.ekb.eg/service?article_code=127649

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39

Publication Type

Journal

Publication Title

Mansoura Veterinary Medical Journal

Publication Link

https://mvmj.journals.ekb.eg/

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Article

Created At

22 Jan 2023