性疾病综合征的海中的二氧化和PCB含量
Malgorzata Warenik-Bany1, Szczepan Mikolajczyk1, Marek Pajurek1
1Department of Radiobiology, National Veterinary Research Institute, 57 Partyzantow Avenue, 24-100 Pulawy, Poland.
Aquatic toxicology (Amsterdam, Netherlands)
|April 2, 2025
概括
在Słupia河海中测量了多二-p-二氧化物 (PCDD),多二 furan (PCDF) 和多双 (PCB). 虽然对人类消费安全,但检测到的水平可能会对鱼类健康和免疫功能产生负面影响.
科学领域:
- 环境化学环境化学
- 生态毒理学 生态毒理学
- 鱼类生物学 鱼类生物学
背景情况:
- 鱼类的病综合征 (UDS) 是一个越来越令人担忧的问题.
- 多二二二氧化物 (PCDD),多二二 furan (PCDF) 和多二 (PCB) 是持久性有机污染物.
- 了解鱼类中的污染物水平对于评估人类和生态健康风险至关重要.
研究的目的:
- 量化PCDD,PCDF和PCB度在斯鲁皮亚河海鱼中.
- 为了比较鱼类中的污染物水平,有和没有UDS症状.
- 根据检测到的水平,评估对人类健康和鱼类健康的潜在风险.
主要方法:
- 分析了从斯卢皮亚河 (Słupia River) 采集的174个海样本.
- 同位素稀释技术与高分辨率气体染色学和高分辨率质谱学相结合.
- 对PCDD,PCDF和PCB,包括二氧化类PCB (DL-PCB) 的量化.
主要成果:
- 鱼类中的污染物含量低于人类消费所允许的最大含量 (欧盟委员会第2023/915号法规).
- 最高的二氧化和DL-PCB度 (6.19 pg WHO-TEQ g-1 f.w.) 已经被发现. 在患病的海肌肉中发现.
- 确定的特定类型包括TCDF,PeCDF,PCB-118,PCB-105,PCB-153,PCB-138和PCB-101. 这些类型的基因都被发现.
结论:
- 检测到的PCDD,PCDF和PCB含量虽然对人类是安全的,但可能对鱼类健康构成风险.
- 暴露于斯卢皮亚河环境中的污染物混合物可能会导致UDS的发生.
- 这些污染物可能会破坏海的免疫系统,在紧张的产卵期间可能会加剧.
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