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为什么铁锅炒丝瓜会发黑

更新时间: 2020-09-19 00:00:00     

这是氧化作用,因为丝瓜含糖较高,且瓜籽含有黑色素,碰到高温颜色容易变黑。 就如苹果切开都会发黑一样。其次丝瓜和铁锅接触的时间越久就越会发黑。

关键词: 为什么 铁锅 丝瓜 发黑

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