天气预报 > 其他 > 盐水鸭抽真空能放几天
盐水鸭抽真空能放几天
更新时间: 2020-11-04 00:00:00  

盐水鸭抽真空在保证不漏气的情况下,可以放置30-45天左右。真空包装的主要作用是除氧,以有利于防止食品变质,其原理也比较简单,因食品霉腐变质主要由微生物的活动造成,而大多数微生物(如霉菌和酵母菌)的生存是需要氧气的,而真空包装就是运用这个原理。

关键词: 盐水 真空

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