External factors affecting the shelf life of modified atmosphere fresh-keeping packaging products:1. Temperature control: including environmental temperature control for processing, packaging, storage, transportation and sales. 2. Hygiene management: product processing and packaging adhere to good h

The characteristics of the modified atmosphere food preservation packaging machine are that the reproduction of bacteria and microorganisms can be inhibited to a large extent by the preservation gas, the preservation and quality time of food can be prolonged, and the original flavor, taste and chara