Chou H-N, Chung Y-C, Cho W-C, Chen C-Y
Institute of Fisheries Science, National Taiwan University, Taipei, Taiwan 106, ROC.
Food Addit Contam. 2003 Jun;20(6):560-5. doi: 10.1080/0265203031000070795.
Natural phytoplankton blooms of the dinoflagellate Alexandrium minutum, milkfish (Chanos chanos) exposed to natural blooms, sediment and mangrove crab (Scylla serrata) were analysed for paralytic shellfish poisoning toxins by high-performance liquid chromatography. The toxin profiles of milkfish and mangrove crab were similar to that of A. minutum collected from blooming fishponds. In a laboratory A. minutum-blooming environment, the stomach and intestine of milkfish accumulated paralytic shellfish poisoning toxins during the exposure period. The non-visceral tissues were non-toxic. However, milkfish lost their entire body burden of toxin on the first day of transferring to a toxic algae-free environment. The result shows that milkfish concentrate paralytic shellfish poisoning toxins in digestive organs and did not retain toxins.
通过高效液相色谱法分析了微小亚历山大藻自然浮游植物水华、暴露于自然水华的遮目鱼、沉积物和红树林蟹（锯缘青蟹）中的麻痹性贝类毒素。遮目鱼和红树林蟹的毒素谱与从水华鱼塘采集的微小亚历山大藻相似。在实验室微小亚历山大藻水华环境中，遮目鱼的胃和肠道在暴露期间积累了麻痹性贝类毒素。非内脏组织无毒。然而，遮目鱼在转移到无毒藻环境的第一天就失去了体内全部毒素负荷。结果表明，遮目鱼在消化器官中浓缩麻痹性贝类毒素，且不保留毒素。
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