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怎么区分新土豆和老土豆

更新时间: 2020-09-21 00:00:00     

区分新土豆和老土豆有三个方法;

方法一,观察土豆外表,新土豆表皮发黄,且光滑鲜亮,老土豆卖相老成,表皮发棕褐色,不鲜亮;

方法二,剥土豆表皮,新土豆的表皮层很薄,能轻易把皮剥下来,老土豆则不行,表皮已经老化,变得非常厚,也可以用指甲在土豆上轻轻一划,新土豆的皮容易就能翻开,而老土豆很难留下印记;

方法三,放置一段时间,新土豆不发芽,老土豆发芽。

关键词: 怎么 区分 土豆

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