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菜放在铁锅里时间长了还能吃吗
更新时间: 2020-09-19 00:00:00  

1、铁锅容易生锈,菜在里面时间过长,铁锈会渗透到菜里,产生铁锈味,食用铁锈对身体有害;

2、菜在铁锅里存放时间过长会发黑,是因为接触到氧气后被氧化,这时会产生对人体有害的亚硝酸;

3、菜在铁锅里放久后,菜中的醋等成分会加大铁离子的浓度,因为铁是一种重金属,而重金属普遍对人体有害,会造成慢性中毒等症状,所以当菜中含过多的铁时,对身体是有害的。

关键词: 放在 铁锅 时间

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