目mu前qian超chao市shi裏li的de食shi品pin包bao裝zhuang，大da都dou隻zhi能neng簡jian單dan地di起qi到dao食shi品pin說shuo明ming書shu和he防fang止zhi食shi品pin汙wu染ran的de作zuo用yong。通tong常chang人ren們men認ren為wei
，隻zhi要yao包bao裝zhuang的de食shi品pin在zai保bao質zhi期qi內nei
，就jiu應ying該gai是shi安an全quan的de，但dan實shi際ji上shang並bing非fei如ru此ci。為wei了le保bao證zheng食shi品pin安an全quan
，使shi消xiao費fei者zhe不bu誤wu食shi變bian質zhi食shi品pin，科ke學xue家jia研yan究jiu出chu一yi些xie能neng指zhi示shi食shi品pin是shi否fou變bian質zhi的de新xin型xing包bao裝zhuang技ji術shu以yi及ji延yan長chang食shi品pin保bao鮮xian期qi的de包bao裝zhuang技ji術shu，這zhe些xie技ji術shu統tong稱cheng“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。

　　yanjiurenyuanyanjiudelingyizhongshipinanquanzhishibaozhuangjishu，shiyizhongchanzaranliaodesuliaoyuanpian，tatongguoyubaozhuangdaineishipinshifangdeqitifashengzuoyong
，xianshirouleiheshucaishifoubianzhi。zhezhongsuliaopianfangrushipinbaozhuangdaihou
，ruguobaozhuangdaizhongdeshipinfulan

，jiuhuishifangchuqiti，shisuliaopiangaibianyanse。xiaofeizhegenjusuliaopiandeyansejiunengzhidaoshipinshifoubianzhi。

　　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”dejingshibiaozhirongyiyinqixiaofeizhefangan。weicimeiguoxinzexizhoudeyijiamifengqitigongsizhengzaishengchanyizhongbenshenkeyiqingchuyangqidebaozhuangdaicailiao。zhezhongcailiaoyouyigekeyanghuadejuhewuneiceng，tanengxiangtiefenyiyangbuhuobingxiaohaobaozhuangdaineideyangqi。

　　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℃
，從cong而er讓rang人ren們men喝he到dao爽shuang口kou的de冰bing鎮zhen啤pi酒jiu。該gai啤pi酒jiu罐guan之zhi所suo以yi能neng達da到dao這zhe樣yang的de效xiao果guo，是shi由you於yu啤pi酒jiu罐guan采cai用yong了le獨du特te的de智zhi能neng包bao裝zhuang技ji術shu。這zhe種zhong啤pi酒jiu罐guan有you上shang下xia兩liang部bu分fen
，上shang部bu分fen裝zhuang啤pi酒jiu，啤pi酒jiu外wai層ceng用yong含han水shui凝ning膠jiao包bao裹guo；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)。

　　智zhi能neng包bao裝zhuang技ji術shu可ke以yi方fang便bian消xiao費fei者zhe選xuan擇ze安an全quan放fang心xin的de食shi品pin，可ke以yi延yan長chang食shi品pin的de保bao質zhi期qi，有you利li於yu食shi品pin的de保bao存cun和he運yun輸shu，具ju有you廣guang闊kuo的de市shi場chang前qian景jing。特te別bie是shi在zai市shi場chang監jian管guan機ji製zhi還hai不bu健jian全quan、jiamaoweiliechanpinhaihenchangjuedeqingkuangxia
，xiaofeizhegengjiaxuyaozhinengbaozhuangjishudebangzhu。yanjiurenyuanyuce，zaibujiudejianglai，yongzhinengbaozhuangjishushengchandebaozhuangdaideshuliang，jiangzhanshipinbaozhuangdaizongshuliangde20％—40％。