如ru何he安an全quan有you效xiao的de延yan長chang肉rou製zhi品pin的de貨huo架jia期qi是shi擺bai在zai眾zhong多duo肉rou類lei生sheng產chan商shang麵mian前qian的de重zhong大da挑tiao戰zhan。目mu前qian的de熱re點dian問wen題ti是shi哪na些xie?包bao裝zhuang設she備bei對dui延yan長chang貨huo架jia期qi有you哪na些xie幫bang助zhu?
方案一:無接縫設備,盡量排除氧氣
Timothy L. Kent, P.E.,Raque Food Systems公司市場總監
“當dang我wo們men談tan到dao貨huo架jia期qi延yan長chang這zhe個ge問wen題ti,有you三san方fang麵mian的de因yin素su不bu得de不bu考kao慮lv。腐fu爛lan是shi首shou當dang其qi衝chong的de因yin素su,肉rou類lei產chan品pin決jue不bu能neng受shou到dao汙wu染ran或huo變bian質zhi。我wo們men肯ken定ding不bu希xi望wang看kan到dao肉rou類lei產chan品pin表biao麵mian有you細xi菌jun生sheng長chang,因yin為wei任ren何he能neng腐fu蝕shi肉rou類lei的de東dong西xi也ye可ke能neng會hui腐fu蝕shi你ni,並bing產chan生sheng很hen多duo有you害hai物wu質zhi。 第二個必須考慮的因素是新鮮度,我們希望看到肉類新鮮的顏色。第三個因素是肉類產品的口味,因為我們希望吸引回頭客。”
“zaifangzhirouleichanpinfubaibianzhidewentishang,bixuquebaojiagongshebeizaijiechurouleidebujianshangdoubaochiqingjie。dangran,shebeikeyiyongshuiqingxi,danshuixiguodeshebeirengyoukenenghanyouxijun,haihuiyinqixijunchuanbo。yincirouleijiagongshebeigongyingshangxiangdaolejiejuefangan,najiushizhizaowujiefengdeshebei。zhexieweikehudingzhidewujiefengshebeijiagebijiaoanggui,henduoyonghuhuiwufachengdan,shebeigongyingshangmenyouzhuanerxunzhaobiededaan。”
“解決方案之一是在超高溫狀態下(180°F)baozhuang,congerzuzhixijunshengchang,danzheyiwenduduirouleibushiyong。ruguonijiagongdeshiliuzhichanpin,birushasijiang,zaizheyiwenduxiarenhejiechushasideshebeidoushianquanwujunde。shengchanshangkecaiyonghuosaishiguanzhuangxitong,jinkenengzhuangmanrongqiyixiaochuyangqicunzai,ranhoujiazhudanqiwanquanpaichurongqineideyangqi,zuihoujinxingfengkou。youyurongqineiyangqijishao,roubiaomianjiangbaochizise,rongqibeidakaihouchenghongse。xijunkeyizaizhengqishiguoluzhongcunhuo,yincizheyifangfayebushibaifenbaiyouxiao,danzaishijianzhongzhengming,duirentiyouhaidexijunnengtongguozheyifangshibeiyouxiaoshasi。”
“貨架期很長的肉類產品很少見。作為一個最終消費者,我希望那些肉類零售店能采用這種設備,將肉類的貨架期延長到一周左右。”
方案二:低氧氣調包裝係統
Mark Henry,Henry & Sons Inc.公司副總裁
“氣調包裝(MAP)通(tong)常(chang)都(dou)是(shi)高(gao)含(han)氧(yang)量(liang)的(de)係(xi)統(tong),而(er)現(xian)在(zai),隨(sui)著(zhe)低(di)含(han)氧(yang)量(liang)氣(qi)調(tiao)包(bao)裝(zhuang)係(xi)統(tong)的(de)問(wen)世(shi),肉(rou)類(lei)的(de)安(an)全(quan)問(wen)題(ti)和(he)貨(huo)架(jia)期(qi)都(dou)得(de)到(dao)了(le)改(gai)進(jin)。在(zai)這(zhe)一(yi)新(xin)係(xi)統(tong)裏(li),氧(yang)氣(qi)的(de)含(han)量(liang)大(da)大(da)降(jiang)低(di),細(xi)菌(jun)大(da)幅(fu)度(du)被(bei)消(xiao)滅(mie)。”
“與業內傳統的高含氧量MAP相比,低含氧量係統阻礙了含脂肪肉類的氧化變質,防止細菌生長,水分流失和氧氣降級。使用低氧MAP係統,肉類貨架期能從21天延長到45天。我們希望這種設備能夠應用到更多的易腐敗產品的包裝上。”
方案三:溫度控製
Aaron L. Brody, Ph.D.,Packaging/Brody Inc.公司總裁兼CEO
“延長肉類貨架期必須要控製溫度,如果在整條供應鏈中保持29°F,就能獲得較長的貨架期。肉類的貨運車溫度也必須得到控製,從叉車到貨架上,溫度都不能高於40°F。這需要資金投入,但銷毀變質肉類產品或生產商搞降價活動也耗費資金。這就是你在選擇包裝設備、材料、結構前必須考慮的問題了。肉類包裝是完整的一個係統。”
“多數肉類產品在零售店內完成包裝,約30%的在工廠內完成,這30%的(de)部(bu)分(fen)更(geng)為(wei)衛(wei)生(sheng)。工(gong)廠(chang)內(nei)包(bao)裝(zhuang)的(de)成(cheng)本(ben)略(lve)為(wei)低(di)廉(lian),貨(huo)架(jia)期(qi)也(ye)更(geng)長(chang)一(yi)些(xie)。因(yin)為(wei)工(gong)廠(chang)內(nei)對(dui)溫(wen)度(du)的(de)控(kong)製(zhi)比(bi)超(chao)市(shi)或(huo)零(ling)售(shou)店(dian)好(hao)很(hen)多(duo)。拿(na)生(sheng)鮮(xian)小(xiao)包(bao)裝(zhuang)來(lai)說(shuo),薄(bo)膜(mo)采(cai)用(yong)發(fa)泡(pao)聚(ju)苯(ben)乙(yi)烯(xi)材(cai)料(liao),複(fu)合(he)一(yi)層(ceng)EVOH阻隔層,采用氣調包裝後進行封口。當然,要延長貨架期有很多種方式,其中最常用的就是高氧包裝,可獲得的貨架期為8-9tian,dangran,zhezhongfangshibixuzaidiwenzhuangtaixiacaiyouxiaoyong。eryanghuatanshiyanchanghuojiaqizuiyouxiaodewuzhi,zhelideyangyongyubaochirouleichanpindeseze。lingyizhongfangshishijiadaeryanghuatanliang,huocongbaozhuangzhongwanquanchouquyangqi。ruguobaozhuangzhongwanquanbuhanyangqi,rouleijiunengbaochizuixinxiandexianhongseze。”
“降低溫度可與高氧或低氧方法同時進行。近年來生產生鮮小包裝的企業紛紛采用溫控技術,由此才能達到最好的氣調包裝效果。”
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