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泡菜为什么一定要放醋
更新时间: 2020-09-12 00:00:00  

制泡菜的将鲜菜在浓度较低的盐水中,使菜受到乳酸发酵,从而生成乳酸,乳酸没有毒,也不会致癌。 但如果泡菜加工方法不妥,鲜菜受侵入的杂菌作用而腐败,菜中的硝酸盐会大量转变为亚硝酸盐。亚硝酸盐若遇人体中的胺类化合物,容易生成亚硝酸胺,这是致癌物质,所以要求做泡菜的菜是新鲜的,不能有烂叶。 放醋是为了促进乳酸菌的发酵.

关键词: 泡菜 为什么 一定

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