水果、蔬菜的氣調包裝是最複雜的。果菜收獲後,仍是一個有生命的有機體,還會進行休眠、發芽、shuifenzhengfayijihuxizuoyongdengfuzadeshengminghuodong。zhexieshengminghuodongdouyingxianghezhiyuezheguocaidebaozhuangchuzangshijian,qizhongyingxiangzuidadejiushihuxizuoyong。zaitongchangqingkuangxia,guocaidehuxizuoyongyuqiang,chuzangshijianyuduan,yurongyifulanbianzhi;但又不能完全抑製了果菜的呼吸,否則果菜就會發蔫、shiquguangze,bingqierongyishoudaoweishengwudeqinran。yibankeyitongguokongzhihunheqitizhongyangqiheeryanghuatandebilijikongzhichuzangwendudefangfalaikongzhiguocaidehuxiqiangdu,liruduiganjujinxingqitiaobaozhuang,kongzhihunheqitineideyangqinongduwei12.5-17.5%、二氧化碳濃度為1.35-3.65%,就能較好地抑製柑桔的呼吸強度,可將腐果率由7.63%降低到2.32%.當然設計果菜的氣調包裝時還要考慮抑製微生物的生長及果菜的透濕等環節,具體如何控製與果菜的品種、成熟度、機械損傷、外界環境等方麵均有很大聯係。
我國每年由於食品腐爛變質造成了大量的浪費,尤其是水果、蔬菜,因為在收獲、運輸、chuzangguochengzhongmeiyoushiyongheshidebaocunfangfaerzaochengdefulanxianxiangfeichangpubian,ruguowushilebianzhideshiwu,haihuisunhairenmendeshengmingjiankang,yinciduishipinbaocunfangfadeyanjiushifeichangzhongyaode。qitiaobaozhuangnengdadatigaoshipindebaozhiqi、保鮮期,而且不用對食品進行化學處理,有良好的社會效益和經濟效益,是今後我國食品包裝研究的一個重要發展方向。
手機版




