真空充气包装将食品装入包装袋，抽出包装袋内的空气达到预定的真空度后，再充入氮气，二氧化碳气，氧气，乙烯等气体，然后完成封口工序。
研究了采用添加抗氧化剂、抗氧化增效剂、充氮包装等方法延长花生蛋白粉的保质期。
Aiming to extend the shelf life of peanut protein powder, the effect of adding antioxidants and antioxidant synergists, coupled with nitrogen gas packing, were studied in this work.
产品包装于5公斤充氮铝罐中或按客户指定的要求包装。
The products are packed in 5kg aluminum bottle purged with nitrogen or meet with customers 'special demands.
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