天气预报 > 美食 > 莲藕怎么焯水做不发黑
莲藕怎么焯水做不发黑
更新时间: 2021-01-09 13:33:34  

1、切好的莲藕用凉水泡一会,然后在开水内焯水,过水后捞出放在盘里马上放些白醋或米醋拌匀,这样处理后的莲藕不会发黑。

2、洁白的莲藕如果变黑,这不仅仅是莲藕在外观、色泽上的变化,也是莲藕营养在损耗的征兆。这些营养物质主要是藕中的还原糖、游离氨基酸、多酚类,藕变黑正是由于它们的不稳定而发生了非酶或酶促褐变。

关键词: 莲藕 怎么 发黑

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