香港被曝验出毒蟹

秋季来临，又是品尝大闸蟹的最佳时机，但在香港却被验出有含戴奥辛的毒蟹，超标将近1倍左右，产地地竟是来自桃园市的一处养殖场。

根据香港媒体报导，食安中心近日抽检85个大闸蟹样本，当中84个合格，但一款来自台湾桃园市养殖场的样本，被验出致癌物戴奥辛超标，每公克含有9.86皮克（pg，1皮克等于兆分之1克）的戴奥辛，确认已经超标，但所幸尚未流入市面。

对此，桃园市农业局获报前往位于中坜一处私人养殖场，发现业者未登记即私自圈养，业者供称是进口大闸蟹苗，养半年后出货，但对于养殖数量避重就轻，农业局先採样水质、抽检大闸蟹，对整池做移动管制，并调查蟹苗来源，厘清是在地污染或是进口苗的问题，也会针对未申请养登部分开罚。

美加州海域螃蟹有毒当局提醒民众

24日就是美国感恩节，除了传统的火鸡大餐，螃蟹也是许多家庭聚会时不可缺少的美食。但盛产邓杰内斯大螃蟹(Dungeness Crab)的加州，政府却第二年发出了提醒民众螃蟹有毒、推迟商业捕捞的告示。

加州环境健康危害评估办公室说，从加州北部的洪堡海湾到旧金山南部的雷斯呷超过120英里(192公里)沿线海域发现了含有软骨藻酸毒素的藻类大量繁殖。检验人员在这些海域检测后发现，至少一半邓杰内斯螃蟹样板含毒素超标。如被食用，将产生如食物中毒一样的后果，包括呼吸困难，失去意识甚至死亡。

加州渔业与野生动物局当日也在网站上发布通知，将无限期推迟商业捕捞螃蟹季。

这也是继去年之后，加州第二年发现西海岸海藻有毒，每年6千万美元的螃蟹捕捞业遭受严重影响。

螃蟹应该如何挑选？

螃蟹是否新鲜非常重要，死蟹中含有一定的毒性，因为当螃蟹已经死了，体内的组氨酸会分解产生有毒的组胺，螃蟹死的时间越久，毒性就越大。所以，买蟹一定要选择活的。

挑选时手指轻按蟹眼边的壳面，如蟹眼即动，则够生猛;将手指放于蟹爪间，如蟹爪有力，表示蟹够强健;

离开水的蟹吐出泡沫，是活蟹，可放心购买。要分辨雌雄很容易，蟹肚呈三角形的为雄，呈圆形的为雌。

但真正的内行看腿就能认出，雌蟹两螯上有灰黑的一团绒毛，但仅有此毛而已，余腿光洁;而公的八只腿上还有排列如刷的细毛。

( 责任编辑: 黄淑蓉 )

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2023.07.27 48010

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香港被曝验出毒蟹

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