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做香蕉泥加什么才不会变黑

更新时间: 2020-09-21 00:00:00     

做香蕉泥不会变黑的方法:尽可能减少空气流动,并加一勺食醋。

原因:香蕉变黑是由于接触了空气中的氧,发生酶促褐变反应。其中含有的儿茶酚等酚类物质,和香蕉中的多酚氧化酶反应成了黑色素。加醋可以减少这种反应的发生。

关键词: 香蕉 什么

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