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新土豆放几天都绿皮了能吃吗

更新时间: 2020-11-04 00:00:00     

新土豆绿皮了是不能吃的,土豆皮变绿会产生一种叫龙葵素的毒素,如果吃了就会中毒。土豆完好时,龙葵素的含量极少,一旦出现发芽、发绿等情况,其含量就会增高5~6倍,特别集中分布在芽、芽眼、皮内和烂处。人食用后,对肠胃道黏膜有较强的刺激性,对呼吸中枢及运动中枢也有麻痹作用,并能引起脑水肿、充血等症状。

关键词: 土豆

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