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引用次数: 0
摘要
目的：有报告称，金属会改变氧化还原活性金属和氧化还原非活性金属的氧化状态，同时诱发氧化应激。在水生生态系统中，金属污染被认为是严重的污染物和生物累积，尤其是涉及水生海产品时，会对人类造成危害。蓝游蟹（Portunus pelagicus）是泰国非常受欢迎的海鲜蟹种。其肉质部分和肝胰脏（HP）连同生殖腺都被食用，需求量很大。因此，本研究旨在调查鳗鲡体内镉（Cd）和铅（Pb）的生物累积以及组织氧化反应：方法：从 Trang 省沿岸的小型渔户处获得 67 份中上层鲈鱼样本。评估了镉和铅的生物累积以及鳃、肌肉和 HP + 性腺的氧化反应：结果：镉和铅在鳃和生殖腺中的积累水平最高，其次是鳃，然后是肌肉，这表明镉和铅在鳃和生殖腺中具有较高的亲和力。镉和铅在鳃和肌肉组织中显著激活超氧化物歧化酶（SOD）的活性，而铅仅在鳃和生殖腺中显著激活SOD的活性。只有镉在鳃组织中的积累才显著激活了脂质过氧化反应，丙二醛水平也表明了这一点：本研究表明，中上层鲈鱼对金属积累引起的组织氧化反应表现出 "适应阶段"。此外，本文提供的数据进一步表明，只食用肉的部分并去除HP和生殖腺可减少人类接触金属毒性的机会。
Oxidative response to cadmium and lead accumulations in the tissues of blue swimming crabs Portunus pelagicus from the Trang Province coastline, Southern Thailand
期刊介绍：
The Journal of Aquatic Animal Health serves the international community of scientists and culturists concerned with the health of aquatic organisms. It carries research papers on the causes, effects, treatments, and prevention of diseases of marine and freshwater organisms, particularly fish and shellfish. In addition, it contains papers that describe biochemical and physiological investigations into fish health that relate to assessing the impacts of both environmental and pathogenic features.
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