蒸馒头水里放醋有什么用 蒸馒头水中加点醋

综合百科2023-04-06 09:05:03佚名

蒸馒头水里放醋有将包子变松软和变白的作用。蒸包子用的纯碱即碳酸钠,与白醋中醋酸产生反应,反应生成醋酸钠、水和二氧化碳,气泡产生,把包子皮撑起,达到松软的效果。而白醋带有酸性,能让馒头变白。

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