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没吃完的苹果怎么保存不变色

更新时间: 2020-11-05 00:00:00     

没吃完的苹果保存不变色的方法是:在盐水里泡15分钟左右,或将柠檬汁滴到苹果切片上,也防止苹果切开后与空气接触发生氧化作用而变成褐色。从保存苹果中营养成分的角度来说,去皮苹果不宜浸泡过久。苹果变色的原因是因为苹果果肉含有多酚酵素,接触到空气就会氧化,营养和口感都会打折扣。

关键词: 苹果 怎么 保存 变色

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