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土豆为什么变绿了
更新时间: 2020-09-18 00:00:00  

土豆中含有少量有毒物质:龙葵素。当土豆发芽,皮肉变绿或变紫时,这种毒素会剧增,尤以芽和周围皮肉中含量为多,龙葵素对人体有溶血作用,还能麻痹人神经系统中的运动中枢和呼吸中枢,食后十分钟至数小时内即可使人中毒,症状有口干,舌麻,恶心,呕吐,腹痛,腹泻,重者可有发烧,气短,头晕,耳鸣,畏光,抽搐等,甚至因呼吸中枢麻痹而死亡。

关键词: 土豆 为什么

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