罐(guan)藏是世(shi)(shi)界(jie)公認(ren)的(de)(de)一(yi)種安全可靠的(de)(de)食(shi)品保藏方法，因其安全、營養、衛生(sheng)的(de)(de)特性，罐(guan)頭食(shi)品在經(jing)濟發達的(de)(de)國(guo)家，為(wei)大眾所喜愛。據(ju)統計，美國(guo)人均年消費罐(guan)頭90公斤，西歐(ou)約50公斤，日本23公斤，一(yi)個(ge)普(pu)通(tong)英國(guo)家庭在一(yi)周內(nei)通(tong)常(chang)吃(chi)15個(ge)罐(guan)頭。但是，作(zuo)為(wei)世(shi)(shi)界(jie)上的(de)(de)罐(guan)頭生(sheng)產(chan)國(guo)，我國(guo)每(mei)年人均消費罐(guan)頭食(shi)品不(bu)到1公斤，國(guo)內(nei)消費者(zhe)對罐(guan)頭食(shi)品缺(que)乏了解(jie)，長期以來存在著(zhu)三大認(ren)識(shi)誤(wu)區(qu)。
誤(wu)區一(yi)(yi)(yi)：罐(guan)(guan)頭添(tian)加防(fang)(fang)腐(fu)劑 長(chang)期以來不(bu)少人認為罐(guan)(guan)頭食(shi)(shi)(shi)(shi)品(pin)(pin)能夠長(chang)時間保持不(bu)變質，一(yi)(yi)(yi)定是添(tian)加了(le)防(fang)(fang)腐(fu)劑的結果，其(qi)實(shi)這是對罐(guan)(guan)頭食(shi)(shi)(shi)(shi)品(pin)(pin)的一(yi)(yi)(yi)種(zhong)誤(wu)解。 中(zhong)(zhong)(zhong)國(guo)疾病(bing)預(yu)防(fang)(fang)控制中(zhong)(zhong)(zhong)心營(ying)養與食(shi)(shi)(shi)(shi)品(pin)(pin)安全(quan)所張瑩教(jiao)授介紹說(shuo)(shuo)，罐(guan)(guan)頭食(shi)(shi)(shi)(shi)品(pin)(pin)可長(chang)期保存主(zhu)要(yao)(yao)依賴于(yu)真空、密(mi)封(feng)和殺菌。食(shi)(shi)(shi)(shi)品(pin)(pin)裝(zhuang)入(ru)罐(guan)(guan)中(zhong)(zhong)(zhong)以后(hou)，經過排氣、密(mi)封(feng)、殺菌等過程后(hou)，容器完全(quan)密(mi)封(feng)，處于(yu)無氧環(huan)境，達到這種(zhong)無菌狀態的密(mi)封(feng)食(shi)(shi)(shi)(shi)品(pin)(pin)，微(wei)生物(細菌)沒有(you)生長(chang)、繁(fan)殖的條件，食(shi)(shi)(shi)(shi)品(pin)(pin)不(bu)會(hui)腐(fu)敗，根本(ben)不(bu)需要(yao)(yao)增添(tian)任何(he)防(fang)(fang)腐(fu)劑。 全(quan)國(guo)食(shi)(shi)(shi)(shi)品(pin)(pin)工業(ye)標(biao)準化技術(shu)委員會(hui)秘書長(chang)郝煜(yu)指出(chu),有(you)關“罐(guan)(guan)頭中(zhong)(zhong)(zhong)含(han)有(you)防(fang)(fang)腐(fu)劑”的說(shuo)(shuo)法(fa),實(shi)際上(shang)是對罐(guan)(guan)藏食(shi)(shi)(shi)(shi)品(pin)(pin)的一(yi)(yi)(yi)種(zhong)偏見(jian)。一(yi)(yi)(yi)些飲料或其(qi)他預(yu)包裝(zhuang)食(shi)(shi)(shi)(shi)品(pin)(pin)在標(biao)簽的明顯位置(zhi)上(shang)被標(biao)注“本(ben)品(pin)(pin)不(bu)含(han)防(fang)(fang)腐(fu)劑”，實(shi)際上(shang)是一(yi)(yi)(yi)種(zhong)商業(ye)誤(wu)導(dao)行為，向消(xiao)費者(zhe)暗示防(fang)(fang)腐(fu)劑有(you)害。這些說(shuo)(shuo)法(fa)不(bu)僅誤(wu)導(dao)了(le)消(xiao)費者(zhe)，也(ye)不(bu)利于(yu)罐(guan)(guan)頭工業(ye)的發(fa)展，應當(dang)予以澄(cheng)清和糾正。
誤區二(er)：罐(guan)(guan)(guan)頭(tou)(tou)(tou)營(ying)(ying)養(yang)(yang)價(jia)值低 有(you)的(de)(de)消(xiao)費者(zhe)誤以(yi)為罐(guan)(guan)(guan)頭(tou)(tou)(tou)食(shi)(shi)品(pin)(pin)(pin)(pin)在(zai)經過(guo)高(gao)(gao)溫殺(sha)菌(jun)和(he)貯(zhu)藏(zang)(zang)(zang)(zang)過(guo)程(cheng)(cheng)中(zhong)(zhong)營(ying)(ying)養(yang)(yang)價(jia)值會下降(jiang)。 對(dui)(dui)此，中(zhong)(zhong)國罐(guan)(guan)(guan)頭(tou)(tou)(tou)工(gong)業協(xie)會理事(shi)長(chang)梁仲康向(xiang)記者(zhe)介(jie)紹，罐(guan)(guan)(guan)藏(zang)(zang)(zang)(zang)食(shi)(shi)品(pin)(pin)(pin)(pin)的(de)(de)質量(liang)由于在(zai)預置(zhi)的(de)(de)加工(gong)中(zhong)(zhong)得到了(le)控制并保持(chi)了(le)新鮮(xian)度(du)，因而實際(ji)上(shang)大多數罐(guan)(guan)(guan)藏(zang)(zang)(zang)(zang)食(shi)(shi)品(pin)(pin)(pin)(pin)要比通常分(fen)(fen)銷渠道中(zhong)(zhong)儲(chu)運的(de)(de)新鮮(xian)農產品(pin)(pin)(pin)(pin)還要新鮮(xian)。罐(guan)(guan)(guan)藏(zang)(zang)(zang)(zang)食(shi)(shi)品(pin)(pin)(pin)(pin)的(de)(de)原(yuan)料(liao)在(zai)收獲、運輸(shu)到加工(gong)的(de)(de)全過(guo)程(cheng)(cheng)耽擱的(de)(de)時(shi)間很短，有(you)的(de)(de)產品(pin)(pin)(pin)(pin)甚至短于2小時(shi)，這使(shi)得罐(guan)(guan)(guan)藏(zang)(zang)(zang)(zang)食(shi)(shi)品(pin)(pin)(pin)(pin)能保持(chi)較高(gao)(gao)的(de)(de)營(ying)(ying)養(yang)(yang)價(jia)值。梁仲康向(xiang)記者(zhe)介(jie)紹，由德國Wilich食(shi)(shi)品(pin)(pin)(pin)(pin)質量(liang)研(yan)究所(suo)和(he)Niederrbein技術學(xue)校(xiao)生(sheng)態營(ying)(ying)養(yang)(yang)系對(dui)(dui)罐(guan)(guan)(guan)頭(tou)(tou)(tou)食(shi)(shi)品(pin)(pin)(pin)(pin)與新鮮(xian)食(shi)(shi)品(pin)(pin)(pin)(pin)的(de)(de)比較研(yan)究也表(biao)明，罐(guan)(guan)(guan)頭(tou)(tou)(tou)食(shi)(shi)品(pin)(pin)(pin)(pin)所(suo)含的(de)(de)維生(sheng)素(su)A1、B1、B2、B6、E和(he)葉(xie)酸與新鮮(xian)蔬菜所(suo)做的(de)(de)菜肴的(de)(de)含量(liang)大體上(shang)一致。碳水化合物(wu)、蛋(dan)白質和(he)脂(zhi)肪也沒有(you)明顯不同(tong)。 郝煜也強(qiang)調，經過(guo)高(gao)(gao)溫殺(sha)菌(jun)的(de)(de)食(shi)(shi)品(pin)(pin)(pin)(pin)不一定營(ying)(ying)養(yang)(yang)價(jia)值低，罐(guan)(guan)(guan)藏(zang)(zang)(zang)(zang)食(shi)(shi)品(pin)(pin)(pin)(pin)在(zai)貯(zhu)藏(zang)(zang)(zang)(zang)過(guo)程(cheng)(cheng)中(zhong)(zhong)營(ying)(ying)養(yang)(yang)價(jia)值也未必(bi)下降(jiang)。中(zhong)(zhong)國預防醫學(xue)科學(xue)院營(ying)(ying)養(yang)(yang)與食(shi)(shi)品(pin)(pin)(pin)(pin)衛生(sheng)研(yan)究所(suo)等(deng)20個單位的(de)(de)研(yan)究表(biao)明,經過(guo)高(gao)(gao)溫殺(sha)菌(jun)的(de)(de)宮(gong)保肉(rou)丁罐(guan)(guan)(guan)頭(tou)(tou)(tou),仍(reng)然含有(you)原(yuan)豬肉(rou)中(zhong)(zhong)的(de)(de)維生(sheng)素(su)A、硫胺(an)素(su)、尼克酸、維生(sheng)素(su)E等(deng)營(ying)(ying)養(yang)(yang)成分(fen)(fen),有(you)些成分(fen)(fen)含量(liang)相(xiang)當高(gao)(gao)。另一項研(yan)究證實，肉(rou)類罐(guan)(guan)(guan)頭(tou)(tou)(tou)在(zai)貯(zhu)藏(zang)(zang)(zang)(zang)過(guo)程(cheng)(cheng)中(zhong)(zhong)，含氮物(wu)質、蛋(dan)白質、氨基酸的(de)(de)總量(liang)變化不大。
誤區三：罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)安(an)(an)全(quan)(quan)(quan)難(nan)保(bao)證 個別偽劣罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)案(an)例的(de)(de)(de)(de)(de)(de)曝(pu)出加(jia)(jia)之罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)行(xing)業缺乏自身宣傳意(yi)識(shi)，導致消費者對(dui)罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)產(chan)生(sheng)(sheng)(sheng)(sheng)安(an)(an)全(quan)(quan)(quan)顧慮。事(shi)實上，罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)食(shi)(shi)(shi)(shi)(shi)品(pin)(pin)安(an)(an)全(quan)(quan)(quan)、衛(wei)(wei)生(sheng)(sheng)(sheng)(sheng)，在(zai)許(xu)多(duo)(duo)經(jing)濟發達的(de)(de)(de)(de)(de)(de)國(guo)(guo)(guo)(guo)(guo)家(jia)(jia)，為(wei)(wei)大(da)眾所(suo)喜愛。 梁仲(zhong)康介紹說，罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)食(shi)(shi)(shi)(shi)(shi)品(pin)(pin)的(de)(de)(de)(de)(de)(de)安(an)(an)全(quan)(quan)(quan)和(he)(he)衛(wei)(wei)生(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)(de)保(bao)證首(shou)先在(zai)于罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)容器具有(you)(you)(you)保(bao)藏(zang)食(shi)(shi)(shi)(shi)(shi)品(pin)(pin)良好(hao)的(de)(de)(de)(de)(de)(de)性(xing)能，制造(zao)容器的(de)(de)(de)(de)(de)(de)材料(liao)無(wu)(wu)毒、無(wu)(wu)味(wei)，具有(you)(you)(you)良好(hao)的(de)(de)(de)(de)(de)(de)穩定(ding)性(xing)和(he)(he)密(mi)封(feng)性(xing)。其次，罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)藏(zang)加(jia)(jia)工(gong)(gong)(gong)(gong)技(ji)術(shu)安(an)(an)全(quan)(quan)(quan)可(ke)靠(kao)，食(shi)(shi)(shi)(shi)(shi)物(wu)在(zai)真空和(he)(he)無(wu)(wu)菌狀態下，可(ke)以(yi)(yi)限度(du)保(bao)存色、香、味(wei)，并較長時間保(bao)藏(zang)。國(guo)(guo)(guo)(guo)(guo)外曾經(jing)有(you)(you)(you)過這樣的(de)(de)(de)(de)(de)(de)報道，罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)放(fang)置幾十年以(yi)(yi)后，仍然完好(hao)如初，符合(he)(he)食(shi)(shi)(shi)(shi)(shi)用(yong)(yong)(yong)標(biao)(biao)準(zhun)(zhun)。 第三，罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)加(jia)(jia)工(gong)(gong)(gong)(gong)是工(gong)(gong)(gong)(gong)業化生(sheng)(sheng)(sheng)(sheng)產(chan)，所(suo)用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)肉(rou)、禽、水(shui)產(chan)、水(shui)果(guo)和(he)(he)蔬(shu)菜原料(liao)，質(zhi)量必須上乘(cheng)，經(jing)過預處(chu)理(li)、清洗、預煮、挑(tiao)選(xuan)、調味(wei)等十多(duo)(duo)道工(gong)(gong)(gong)(gong)序，加(jia)(jia)工(gong)(gong)(gong)(gong)成符合(he)(he)國(guo)(guo)(guo)(guo)(guo)家(jia)(jia)或(huo)國(guo)(guo)(guo)(guo)(guo)際(ji)標(biao)(biao)準(zhun)(zhun)的(de)(de)(de)(de)(de)(de)產(chan)品(pin)(pin)。不(bu)僅對(dui)重(zhong)量、色澤、形狀、滋味(wei)和(he)(he)氣味(wei)有(you)(you)(you)嚴(yan)格(ge)的(de)(de)(de)(de)(de)(de)要(yao)求(qiu)(qiu)，不(bu)允許(xu)含有(you)(you)(you)任(ren)何雜(za)質(zhi)，而(er)且(qie)在(zai)物(wu)理(li)、化學指(zhi)標(biao)(biao)方(fang)(fang)面都(dou)(dou)有(you)(you)(you)嚴(yan)格(ge)要(yao)求(qiu)(qiu)。大(da)型(xing)罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)企業基(ji)本采用(yong)(yong)(yong)流(liu)水(shui)生(sheng)(sheng)(sheng)(sheng)產(chan)線，主要(yao)工(gong)(gong)(gong)(gong)序為(wei)(wei)機械化操作(zuo)(zuo)。生(sheng)(sheng)(sheng)(sheng)產(chan)車間和(he)(he)人(ren)員有(you)(you)(you)嚴(yan)格(ge)的(de)(de)(de)(de)(de)(de)衛(wei)(wei)生(sheng)(sheng)(sheng)(sheng)要(yao)求(qiu)(qiu)，每(mei)道工(gong)(gong)(gong)(gong)序都(dou)(dou)有(you)(you)(you)嚴(yan)格(ge)的(de)(de)(de)(de)(de)(de)規范操作(zuo)(zuo)，執行(xing)國(guo)(guo)(guo)(guo)(guo)際(ji)通(tong)行(xing)的(de)(de)(de)(de)(de)(de)“良好(hao)作(zuo)(zuo)業規范”，罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)食(shi)(shi)(shi)(shi)(shi)品(pin)(pin)在(zai)包裝前要(yao)經(jing)過“保(bao)溫處(chu)理(li)”，不(bu)合(he)(he)格(ge)產(chan)品(pin)(pin)做到(dao)不(bu)出工(gong)(gong)(gong)(gong)廠。因(yin)此食(shi)(shi)(shi)(shi)(shi)用(yong)(yong)(yong)罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)食(shi)(shi)(shi)(shi)(shi)品(pin)(pin)十分(fen)可(ke)靠(kao)。 國(guo)(guo)(guo)(guo)(guo)家(jia)(jia)質(zhi)檢總(zong)局(ju)公布的(de)(de)(de)(de)(de)(de)2007年罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)類產(chan)品(pin)(pin)監督抽查結果(guo)顯示，果(guo)蔬(shu)罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)合(he)(he)格(ge)率為(wei)(wei)95.7%，肉(rou)類罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)合(he)(he)格(ge)率為(wei)(wei)100%。 中國(guo)(guo)(guo)(guo)(guo)罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)工(gong)(gong)(gong)(gong)業協會理(li)事(shi)長梁仲(zhong)康認為(wei)(wei)，罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)食(shi)(shi)(shi)(shi)(shi)品(pin)(pin)可(ke)選(xuan)擇的(de)(de)(de)(de)(de)(de)品(pin)(pin)種多(duo)(duo)、肉(rou)魚果(guo)菜一(yi)(yi)應俱(ju)全(quan)(quan)(quan)，不(bu)含任(ren)何防腐劑(ji)，有(you)(you)(you)較長的(de)(de)(de)(de)(de)(de)保(bao)質(zhi)期，對(dui)儲(chu)藏(zang)條件沒有(you)(you)(you)特殊(shu)要(yao)求(qiu)(qiu)，食(shi)(shi)(shi)(shi)(shi)用(yong)(yong)(yong)方(fang)(fang)便(bian)。隨(sui)著我國(guo)(guo)(guo)(guo)(guo)經(jing)濟的(de)(de)(de)(de)(de)(de)日(ri)益發展，人(ren)們(men)生(sheng)(sheng)(sheng)(sheng)活(huo)水(shui)平日(ri)益提高，生(sheng)(sheng)(sheng)(sheng)活(huo)節奏加(jia)(jia)快(kuai)，方(fang)(fang)便(bian)、美味(wei)、營養的(de)(de)(de)(de)(de)(de)罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)食(shi)(shi)(shi)(shi)(shi)品(pin)(pin)一(yi)(yi)定(ding)會得到(dao)越來越多(duo)(duo)的(de)(de)(de)(de)(de)(de)人(ren)喜愛。未(wei)來中國(guo)(guo)(guo)(guo)(guo)罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)工(gong)(gong)(gong)(gong)業的(de)(de)(de)(de)(de)(de)發展前景廣闊，許(xu)多(duo)(duo)罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)企業已經(jing)把發展重(zhong)點(dian)放(fang)在(zai)國(guo)(guo)(guo)(guo)(guo)內(nei)，將傳統的(de)(de)(de)(de)(de)(de)精美食(shi)(shi)(shi)(shi)(shi)品(pin)(pin)運(yun)用(yong)(yong)(yong)現代(dai)科學的(de)(de)(de)(de)(de)(de)罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)藏(zang)加(jia)(jia)工(gong)(gong)(gong)(gong)技(ji)術(shu)制成風味(wei)獨特的(de)(de)(de)(de)(de)(de)罐(guan)(guan)(guan)(guan)(guan)(guan)(guan)頭(tou)(tou)(tou)(tou)(tou)(tou)食(shi)(shi)(shi)(shi)(shi)品(pin)(pin)，滿(man)足國(guo)(guo)(guo)(guo)(guo)內(nei)人(ren)民的(de)(de)(de)(de)(de)(de)生(sheng)(sheng)(sheng)(sheng)活(huo)需(xu)要(yao)。
