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河豚鱼又名鲀, 俗称龟鱼或巴东鱼等, 是一种味道鲜美但含有剧毒的鱼类。河豚鱼中的有毒物质称为河豚毒素。一般说来 雄鱼组织中毒素含量低于雌鱼, 肌肉中毒素含量极少, 但卵巢和肝脏有剧毒, 其次为肾脏、血液、眼睛、鳃和皮肤。虽然新鲜洗净的肌肉可视为无毒,但如鱼死后较久, 内脏毒素溶入体液中能逐渐渗入肌肉内, 仍不可忽视。河豚毒素是一种很强的神经性毒素,其毒性较剧毒的氰化钠还要强 1000多倍0.5毫克河豚毒素可以毒死一个体重70公斤的人。每年2-5月是河豚卵巢发育期,毒性较强。1990年3月 14日广东省遂溪县港门镇发生一宗11名外地民工吃了45公斤河豚鱼, 均中毒, 其中8人死亡的恶性事故。
Puffer fish, also known as 鲀, commonly known as turtle or Patong fish, is a delicious but highly toxic fish. The poison of puffer fish is called tetrodotoxin. Male toxins are generally lower in toxins than females, but have very little muscle toxins, but the ovaries and liver are highly toxic, followed by kidneys, blood, eyes, gills and skin. Although freshly washed muscle can be considered as non-toxic, but as long as the fish die, visceral toxins into the body fluid can gradually penetrate into the muscle, still can not be ignored. Tetrodotoxin is a potent neurotoxin that is more than 1000 times more toxic than the more toxic sodium cyanide. Tetrodotoxin 0.5 mg tetrodotoxin can kill a person weighing 70 kg. From February to May each year puffer fish ovary development period, strong toxicity. On March 14, 1990, a group of 11 migrant workers from Hong Kong Municipality in Hong Kong, Suixi County, Guangdong Province, ate 45 kilograms of puffer fish and poisoned them. Eight people were killed in a serious accident.