天气预报 > 其他 > 蔬菜应该怎样真空包装
蔬菜应该怎样真空包装
更新时间: 2020-09-23 00:00:00  

蔬菜真空包装:

1、真空充气包装真空;

2、充入氮气、二氧化碳、氧气单一气体或2到3种混合气体,其中氮气是惰性气体,起充填作用;

3、使袋内保持正压,以防止袋外空气进入袋内。

机理:

1、为了减少包装内氧气含量,防止包装食品的霉腐变质,保持食品的色香味,并延长保质期;

2、减少了物品占用的空间,并且有着防潮防尘防细菌等优点;

3、极大地减少了某些意外而造成损失的可能性。

关键词: 蔬菜 应该 怎样 真空 包装

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