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莲菜为什么会变红
更新时间: 2020-10-20 00:00:00  

莲菜又称作莲藕。

变红原因:因为莲藕含有丰富的铁质,煮糖时藕面上的淀粉容于水中,藕遇热在没藕粉的保护下会被氧化,色泽会转深。

解决方法:炒藕时藕迅速加热而时淀粉附着在表皮上,隔绝了氧化的可能,所以炒出的藕就会洁白如玉。

关键词: 莲菜 为什么

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