天气预报 > 健康 > 酸菜有亚硝酸盐吗
酸菜有亚硝酸盐吗
更新时间: 2021-01-24 00:52:33  

1、酸菜有亚硝酸盐。腌制一个月以后一般亚硝酸盐最低。

2、腌酸菜时,每公斤白菜放4粒维生素C,用以阻断亚硝酸盐的生成,加入维生素C400毫克或防腐剂苯甲酸50毫克,分别可阻断75%和98%的亚硝酸盐产生,还能防止酸菜发霉。

3、盐要放够量,否则细菌不能被完全抑制,会使硝酸盐还原成有害的亚硝酸盐。

4、保证腌制时间。一般情况下,腌制品在被腌制的4~8天内亚硝酸盐含量最高,第9天后开始下降,20天后开始消失,这个时候就可以食用了。

关键词: 酸菜 亚硝酸盐

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