简述充气包装的充气种类和特点。
①充CO2气体能抑制微生物生长,浓度高时有杀菌作用;②充N2气体不与被包装的食品发生化学反应,要求塑料薄膜的透过率较低;③对于鲜肉充气包装,充入高浓度氧,有利销售;④保护脆性物料不被压碎。
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/711747.html
上一篇:Homonyms are generally words different in ______.
下一篇:On climate change, Obama said the two leaders agreed on “a series of important new initiatives,” including the establishment of a joint clean energy research center. Obama said that “there can be no solution to that challenge without the efforts of b