沿着毛里塔尼亚大西洋海岸取样的鱼器官中的分布及其对人类健康的潜在风险
Mohamedou Sow1, Moulaye M Wagne2, Emilie P Dassié1
1University of Bordeaux, EPOC, UMR 5805, F-33120 Arcachon, France.
Marine pollution bulletin
|October 22, 2023
概括
评估了七种毛里塔尼亚鱼类中的含量. 肉食鱼类的含量较高,表明生物放大,但所有水平仍然安全供人类食用.
科学领域:
- 环境科学 环境科学
- 海洋生物学 海洋生物学
- 毒理学 毒理学 毒理学
背景情况:
- 海洋生态系统中的污染是一个全球性问题.
- 了解鱼类中的分布对于食品安全和生态系统健康至关重要.
- 毛里塔尼亚大西洋海岸是一个重要的渔业,需要进行当地污染评估.
研究的目的:
- 为了确定毛里塔尼亚大西洋沿岸七种常见鱼类的总度 (Hg).
- 为了研究类器官与鱼类养行为之间的关系.
- 评估消费鱼类中的对人类健康的潜在风险.
主要方法:
- 对七种鱼类的肌肉和肝脏组织中总度的分析.
- 基于它们的食习惯 (食肉动物与食肉动物) 的不同物种的含量比较.
- 统计分析以确定鱼类中分布的显著差异.
主要成果:
- 鱼类中的总度在0.027至0.533毫克/kg干重之间.
- 肉食鱼类的含量明显高于食肉鱼类,这表明生物放大.
- 在特定物种 (Auxis rochei,Trachurus trecae,Caranx rhonchus) 的肌肉和肝脏组织中,度有所不同.
结论:
- 来自毛里塔尼亚海岸的鱼类通过食物链显示的生物放大.
- 所有分析的鱼类都有的度低于世界卫生组织的安全门.
- 研究的鱼种群在消耗方面不构成重大健康风险.
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