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红薯去皮后怎样保纯不变黑

更新时间: 2020-09-26 00:00:00     

红薯保存不变黑发法如下:

1、红薯去皮后放在淡盐水或清水中可不变黑,但不宜久放。

2、隔绝氧气并且用保鲜膜包紧,隔绝空气。

3、上锅蒸熟,可防止红薯变黑。

4、报纸包裹放阴凉处降低温度,减慢变黑的速度。

关键词: 红薯 怎样

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