Question

冷冻大白菜可以吃吗

Answer 1

大白菜冻了还能吃。
材料：冻白菜半颗、土豆1个去皮切块、冻豆腐10小块、猪肉片100克
调料：油适量、盐适量、五香粉适量、葱半根、生姜三片、生抽适量、料酒适量、蘑菇粉适量
操作步骤：
1、冻白菜切成块。
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2、锅中加水烧开，将冻白菜焯掉冰后捞出。

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3、攥干水份。

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4、锅中放油烧热。
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5、下葱花、肉片炒香。
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6、加入焯过的白菜、冻豆腐、土豆块，加清水没过食材炖煮15分钟。
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7、土豆成熟后，加入盐、蘑菇粉、生抽调味，关火。

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8、盛入碗中即可食用。
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Answer 2

冷冻大白菜如果没有发生变质是可以吃的，冻白菜中含有亚硝酸和硝酸盐，当冻白菜中含亚硝酸盐和硝酸盐过高时就会引起中毒，融化以后的冻白菜其硝酸盐在还原菌的作用下可还原为亚硝酸盐，当大大的超过人体正常抗毒能力时即可出现较严重的中毒反应，如头痛、头晕、恶心呕吐、四肢无力、心慌、气短、腹泻等一系列的症状，甚至出现昏迷，所以在使用冻白菜或融化后的冻白菜之前要充分的加热使亚硝酸盐被破坏。