muqianchaoshilideshipinbaozhuang，dadouzhinengjiandandiqidaoshipinshuomingshuhefangzhishipinwurandezuoyong。tongchangrenmenrenwei，zhiyaobaozhuangdeshipinzaibaozhiqinei，jiuyinggaishianquande，danshijishangbingfeiruci。weilebaozhengshipinanquan，shixiaofeizhebuwushibianzhishipin，kexuejiayanjiuchuyixienengzhishishipinshifoubianzhidexinxingbaozhuangjishuyijiyanchangshipinbaoxianqidebaozhuangjishu
，zhexiejishutongcheng“活性包裝技術”或“智能包裝技術”。　食品包裝研究人員發現，有些材料可以吸收包裝袋中的氧；有些材料會與食物變質時產生的氣體相互作用
，改變顏色；有you些xie材cai料liao在zai溫wen度du變bian化hua時shi會hui改gai變bian顏yan色se等deng。如ru果guo用yong這zhe樣yang的de材cai料liao包bao裝zhuang食shi品pin，有you利li於yu防fang止zhi食shi品pin氧yang化hua變bian質zhi
，或huo為wei消xiao費fei者zhe提ti供gong更geng多duo食shi品pin是shi否fou安an全quan的de信xin息xi。

    由於這些活性材料包裝具有顯示食品安全的功能，因此許多公司正在以多種形式合作研究這種“活性包裝”。法國的“不二價”超市連鎖店正在許多新鮮食品上使用一種被稱為“時間溫度指示”的包裝技術，簡稱TTI。shijishangtashiyigebiaoqian，keyixianshishipinzaimouyiwenduxiabaocunleduochangshijian。zhezhongbiaoqianxiangshejiyongdebazi，youxuduoquantaoquandetoumingyuanhuan
，zhongxindehuanhanyouyizhonghuaxuewuzhi。zhezhonghuaxuewuzhihuisuishijianhewendubutongerchanshengjuhezuoyong，bingyoutoumingbianchengheise。ruguobaozhuangdeshipinbaochizaidiwenzhuangtai，gaihuaxuewuzhidejuhefanyingjiuhenhuanman，yidanwenduzengjia，juhefanyingjiuhuijiasu
，huaxuewuzhijiuhuiyoutoumingbianchengheise。youyushipinshangdexijunsuiwenduheshijiandezengjiaerzengjia，yincihuaxuewuzhibianheidechengduhuiyuelaiyueyanzhong。dangneiquanbianheishi，jiuyiweizheshipinbuzaixinxian。xiaofeizhekeyitongguozhezhongbiaoqianyansedebianhuapanduanshipinshifouzaigaowenzhuangtaixiabaocunlehenchangshijian。shiyongzhezhongbiaoqianbaozhuangshipin
，bianyuxiaofeizheyouzhenduixingdixuanze
，buyiwuxuanbianzhideshipin
，tongshihaikeyibimianyinshipinbianzhiyaoqiutuihuoerzaochengdejiufen。

    研(yan)究(jiu)人(ren)員(yuan)研(yan)究(jiu)的(de)另(ling)一(yi)種(zhong)食(shi)品(pin)安(an)全(quan)指(zhi)示(shi)包(bao)裝(zhuang)技(ji)術(shu)，是(shi)一(yi)種(zhong)摻(chan)雜(za)染(ran)料(liao)的(de)塑(su)料(liao)圓(yuan)片(pian)
，它(ta)通(tong)過(guo)與(yu)包(bao)裝(zhuang)袋(dai)內(nei)食(shi)品(pin)釋(shi)放(fang)的(de)氣(qi)體(ti)發(fa)生(sheng)作(zuo)用(yong)，顯(xian)示(shi)肉(rou)類(lei)和(he)蔬(shu)菜(cai)是(shi)否(fou)變(bian)質(zhi)。這(zhe)種(zhong)塑(su)料(liao)片(pian)放(fang)入(ru)食(shi)品(pin)包(bao)裝(zhuang)袋(dai)後(hou)
，如(ru)果(guo)包(bao)裝(zhuang)袋(dai)中(zhong)的(de)食(shi)品(pin)腐(fu)爛(lan)

，就(jiu)會(hui)釋(shi)放(fang)出(chu)氣(qi)體(ti)，使(shi)塑(su)料(liao)片(pian)改(gai)變(bian)顏(yan)色(se)。消(xiao)費(fei)者(zhe)根(gen)據(ju)塑(su)料(liao)片(pian)的(de)顏(yan)色(se)就(jiu)能(neng)知(zhi)道(dao)食(shi)品(pin)是(shi)否(fou)變(bian)質(zhi)。

    以(yi)上(shang)的(de)智(zhi)能(neng)包(bao)裝(zhuang)技(ji)術(shu)隻(zhi)能(neng)向(xiang)消(xiao)費(fei)者(zhe)表(biao)明(ming)食(shi)品(pin)是(shi)否(fou)變(bian)質(zhi)，而(er)另(ling)一(yi)種(zhong)智(zhi)能(neng)包(bao)裝(zhuang)技(ji)術(shu)則(ze)可(ke)以(yi)控(kong)製(zhi)包(bao)裝(zhuang)袋(dai)內(nei)的(de)環(huan)境(jing)，延(yan)長(chang)食(shi)品(pin)的(de)保(bao)鮮(xian)期(qi)。不(bu)同(tong)的(de)水(shui)果(guo)和(he)蔬(shu)菜(cai)需(xu)要(yao)在(zai)一(yi)定(ding)的(de)氧(yang)和(he)二(er)氧(yang)化(hua)碳(tan)濃(nong)度(du)下(xia)才(cai)能(neng)保(bao)鮮(xian)，而(er)這(zhe)樣(yang)的(de)氧(yang)和(he)二(er)氧(yang)化(hua)碳(tan)濃(nong)度(du)在(zai)密(mi)封(feng)的(de)包(bao)裝(zhuang)袋(dai)中(zhong)難(nan)以(yi)控(kong)製(zhi)。因(yin)為(wei)當(dang)溫(wen)度(du)較(jiao)高(gao)時(shi)，包(bao)裝(zhuang)袋(dai)內(nei)的(de)水(shui)果(guo)或(huo)蔬(shu)菜(cai)會(hui)消(xiao)耗(hao)較(jiao)多(duo)的(de)氧(yang)並(bing)釋(shi)放(fang)較(jiao)多(duo)的(de)二(er)氧(yang)化(hua)碳(tan)。因(yin)此(ci)，如(ru)不(bu)進(jin)行(xing)調(tiao)節(jie)，食(shi)品(pin)的(de)保(bao)鮮(xian)期(qi)勢(shi)必(bi)受(shou)到(dao)影(ying)響(xiang)。為(wei)了(le)解(jie)決(jue)這(zhe)一(yi)難(nan)題(ti)，美(mei)國(guo)加(jia)利(li)福(fu)尼(ni)亞(ya)州(zhou)門(men)洛(luo)帕(pa)克(ke)市(shi)的(de)一(yi)家(jia)公(gong)司(si)正(zheng)在(zai)研(yan)究(jiu)一(yi)種(zhong)名(ming)為(wei)Intelimer的包裝膜。這種膜在溫度發生變化時，會改變其透氣性，以使不同的食品保持在最佳的氧和二氧化碳濃度比例之下。

    減jian緩huan食shi品pin變bian質zhi速su度du的de另ling一yi種zhong方fang法fa是shi用yong一yi種zhong氧yang清qing除chu劑ji清qing除chu氧yang氣qi，控kong製zhi包bao裝zhuang袋dai內nei的de空kong氣qi環huan境jing，從cong而er避bi免mian食shi品pin氧yang化hua變bian質zhi。目mu前qian常chang用yong的de方fang法fa是shi在zai食shi品pin包bao裝zhuang袋dai內nei放fang一yi種zhong裝zhuang有you鐵tie粉fen的de小xiao香xiang袋dai
，通tong過guo鐵tie粉fen消xiao耗hao掉diao包bao裝zhuang袋dai中zhong的de氧yang氣qi。但dan這zhe個ge方fang法fa存cun在zai明ming顯xian不bu足zu
，因yin為wei小xiao香xiang袋dai上shang“不可食用”的de警jing示shi標biao誌zhi容rong易yi引yin起qi消xiao費fei者zhe反fan感gan。為wei此ci美mei國guo新xin澤ze西xi州zhou的de一yi家jia密mi封feng氣qi體ti公gong司si正zheng在zai生sheng產chan一yi種zhong本ben身shen可ke以yi清qing除chu氧yang氣qi的de包bao裝zhuang袋dai材cai料liao。這zhe種zhong材cai料liao有you一yi個ge可ke氧yang化hua的de聚ju合he物wu內nei層ceng，它ta能neng像xiang鐵tie粉fen一yi樣yang捕bu獲huo並bing消xiao耗hao包bao裝zhuang袋dai內nei的de氧yang氣qi。

    除了以上兩種智能包裝技術外
，還有一些更獨特的智能包裝技術，如智能啤酒密封罐技術。當這種智能啤酒罐擰開後，可使啤酒在3分鍾內自動冷卻16．7℃
，congerrangrenmenhedaoshuangkoudebingzhenpijiu。gaipijiuguanzhisuoyinengdadaozheyangdexiaoguo，shiyouyupijiuguancaiyongledutedezhinengbaozhuangjishu。zhezhongpijiuguanyoushangxialiangbufen
，shangbufenzhuangpijiu，pijiuwaicengyonghanshuiningjiaobaoguo；下部分由真空層
、幹gan燥zao劑ji和he熱re吸xi收shou劑ji層ceng組zu成cheng。在zai擰ning開kai啤pi酒jiu罐guan時shi，罐guan內nei壓ya力li下xia降jiang，引yin起qi罐guan內nei水shui分fen蒸zheng發fa，使shi啤pi酒jiu溫wen度du下xia降jiang。蒸zheng發fa的de水shui被bei幹gan燥zao劑ji吸xi收shou，同tong時shi熱re吸xi收shou劑ji吸xi收shou熱re量liang。由you於yu這zhe樣yang的de啤pi酒jiu罐guan既ji可ke以yi保bao鮮xian又you可ke以yi冰bing鎮zhen，因yin而er成cheng為wei當dang前qian超chao市shi裏li著zhu名ming的de智zhi能neng包bao裝zhuang。
    zhinengbaozhuangjishukeyifangbianxiaofeizhexuanzeanquanfangxindeshipin
，keyiyanchangshipindebaozhiqi，youliyushipindebaocunheyunshu

，juyouguangkuodeshichangqianjing。tebieshizaishichangjianguanjizhihaibujianquan、假jia冒mao偽wei劣lie產chan品pin還hai很hen猖chang獗jue的de情qing況kuang下xia
，消xiao費fei者zhe更geng加jia需xu要yao智zhi能neng包bao裝zhuang技ji術shu的de幫bang助zhu。研yan究jiu人ren員yuan預yu測ce，在zai不bu久jiu的de將jiang來lai，用yong智zhi能neng包bao裝zhuang技ji術shu生sheng產chan的de包bao裝zhuang袋dai的de數shu量liang，將jiang占zhan食shi品pin包bao裝zhuang袋dai總zong數shu量liang的de20％—40％。