红薯汤变绿色怎么回事(红薯汤放了一天后变绿色了)

综合百科2023-09-11 00:36:28佚名

红薯汤变绿色原因是红薯发生褐变现象,红薯含有氧化酶,遇氧要变色,而红薯的淀粉遇铁要变黑,两者结合在一起呈现出绿色。红薯汤变绿属于正常现象,确定食材没有出现腐烂变质,便可正常食用。

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