Impact of some heavy metal accumulation in different organs on fish quality from Bardawil Lake and human health risks assessment

IF 0.9 4区 地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS
Ghada Y. Zaghloul, Hoda A. Eissa, Amira Y. Zaghloul, Mahmoud S. Kelany, Mohamed A. Hamed, Khalid M. El Moselhy
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Abstract

Bardawil Lake is a unique aquatic ecosystem that provides a habitat for various fish and other marine organisms. This study aimed to analyze the quality of fish species to prove that this lake is free of pollution, not other Egyptian lakes, due to the accumulation of some heavy metals (Cd, Pb, Cu, and Zn) in various tissues of fish species that were caught from this lake. Thirty-five fish samples were caught during the Spring of 2018 from seven different species: Mugil cephalus, Liza auratus, Sparus aurata, Dicentrarchus labrax, Siganus rivulatus, Anguilla angilla, and Solae solea. The Association of Official Analytical Chemists methods using a spectrophotometer determined the biochemical composition. In contrast, atomic absorption spectrometry (AAS) was employed to determine the heavy metals expressed by µg/g wet weight. Results exposed that the accumulation of essential micronutrient (Cu, Zn) content was higher than toxic elements (Cd & Pb) in muscles in order to Zn > Cu > Pb > Cd. Muscles < gills < liver in order of all metals except Pb with order muscles < liver < gills. The metals studied in the muscles were lower than those set by the WHO and the EU standards. The carcinogenic risk with lower allowable limits of 1 × 10–6 to 1 × 10–4 in both normal and high consumption groups; target and total target hazard quotients (THQ & HI) in muscles were < 1. The biochemical composition level was highest in the liver, except for protein, which was highest in muscle for all fish species. There is no evidence of harmful contaminants in the muscular tissue of the fish sampled from Bardawil Lake, although fishing activity. However, customers should know that health concerns may be associated with overeating fish.

重金属在不同器官中的积累对巴尔达维尔湖鱼类质量的影响及人类健康风险评估。
巴达维尔湖是一个独特的水生生态系统,为各种鱼类和其他海洋生物提供了栖息地。本研究旨在分析鱼类物种的质量,以证明该湖与其他埃及湖泊不同,没有受到污染,因为在该湖捕获的鱼类物种的各种组织中积累了一些重金属(镉、铅、铜和锌)。2018 年春季捕获的 35 份鱼类样本来自 7 个不同的物种:这些鱼类包括:Mugil cephalus、Liza auratus、Sparus aurata、Dicentrarchus labrax、Siganus rivulatus、Anguilla angilla 和 Solae solea。官方分析化学家协会使用分光光度计测定生化成分。而原子吸收光谱法(AAS)则以微克/克湿重表示重金属含量。结果表明,肌肉中必需微量元素(铜、锌)含量的积累高于有毒元素(镉和铅),依次为锌>铜>铅>镉。正常和高摄入量组的肌肉-6至1×10-4;肌肉中的目标和总目标危害商数(THQ和HI)分别为
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来源期刊
Geochemical Transactions
Geochemical Transactions 地学-地球化学与地球物理
CiteScore
3.70
自引率
4.30%
发文量
2
审稿时长
>12 weeks
期刊介绍: Geochemical Transactions publishes high-quality research in all areas of chemistry as it relates to materials and processes occurring in terrestrial and extraterrestrial systems.
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