近年來,我國農副產品的出口量連年增大。主要由於受氣候條件的影響,我國農副產品,尤其是西部的蜂蜜、蘋果、xihongshideng,qifengmihexihongshihanyoufengfudeweishengsuhetangfen,pingguozhihantangfenmingxiangaoyuguoneiqitadiqu。weicixibuchukounongfuchanpindeliangzhuniandizeng。genjushichangtiaoyan,mingnianwoguonongfuchanpindeshengchanjidi,zaiyouyaotouzijuezijinyinjin7~8條番茄加工生產線和5~6條蘋果加工生產線,為此用於盛裝番茄醬和果汁的金屬包裝桶的用量也會在今年的基礎上再次增加100多萬隻;但是由於西部深加工技術水平落後,大部分出口產品還需要運往秦皇島、shandongdengdijinxingshenjiagong。weilejiangdichengben,gongyingshangmenfenfencaiyongneitushipintuliaodeguangangtongjinxingguoneishenjiagongqiandebaozhuangyunshu,zheyangneitugangtongdeneibizhiliangweishengbiaozhunshifouhegejiuxiandefeichangzhongyao。bingqie,zaijinniandeshengchanjingyinghuodongzhong,youyibufenjingxiaoshangyijingkaishixiangjinshubaozhuangqiyesuoyaojinshubaozhuangtongdeshengchanweishenganquanxukezheng。weici,zuozhehuxujinshubaozhuangqiyezainongfuchanpinshouhuojijiedaolaizhiqian,yingjinkuaiduishengzhuangshipindeneitugangtongtongguoshipinanquanweishengxukezhengyanshouhejianzha,weimingnianshipintongdexiaoshouzuohaozhunbeigongzuo。
今年,由於歐美各國對我國農副產品進口條件的放寬,再加上近幾年,我國在農副產品的生產和加工方麵也花費了很大的精力。使蜂蜜、番茄、蘋ping果guo的de農nong藥yao含han量liang得de到dao了le有you效xiao地di控kong製zhi,其qi出chu口kou量liang明ming顯xian在zai以yi往wang的de基ji礎chu上shang有you很hen大da的de突tu破po。以yi前qian我wo國guo沒mei有you鑒jian定ding蜂feng蜜mi的de國guo家jia標biao準zhun,出chu口kou的de蜂feng蜜mi都dou是shi先xian將jiang樣yang品pin寄ji往wang國guo外wai,等deng人ren家jia鑒jian定ding合he格ge後hou方fang可ke出chu口kou,但dan這zhe會hui延yan誤wu大da好hao時shi機ji,又you受shou國guo外wai技ji術shu壁bi壘lei的de阻zu礙ai,所suo以yi嚴yan重zhong影ying響xiang了le我wo國guo蜂feng蜜mi的de出chu口kou和he蜂feng產chan業ye的de發fa展zhan。這zhe幾ji年nian,通tong過guo秦qin皇huang島dao質zhi量liang技ji術shu監jian督du局ju的de努nu力li,製zhi定ding了le25xiangfengmichanpindejianyanbiaozhun,bingdedaodeguodengguojiadehaoping。youyuyoulejianyanbiaozhun,suoyijinhouwomenchukoudefengmidejishubileijianghuizijizhangwo,chukouliangjianghuiyoudadezengchang。wanggefengshang、蜂農、果農、番茄種植和加工企業,及其包裝生產企業應提前作好準備,迎接新的挑戰。
目前用於盛裝食品的內塗包裝鋼桶一般有:蜂蜜桶、果汁桶、番(fan)茄(qie)醬(jiang)桶(tong)。如(ru)果(guo)用(yong)於(yu)盛(sheng)裝(zhuang)這(zhe)些(xie)食(shi)品(pin)的(de)內(nei)塗(tu)包(bao)裝(zhuang)桶(tong)由(you)於(yu)其(qi)內(nei)壁(bi)塗(tu)料(liao)衛(wei)生(sheng)質(zhi)量(liang)達(da)不(bu)到(dao)安(an)全(quan)食(shi)品(pin)衛(wei)生(sheng)要(yao)求(qiu),將(jiang)會(hui)對(dui)其(qi)造(zao)成(cheng)二(er)次(ci)汙(wu)染(ran),從(cong)而(er)影(ying)響(xiang)其(qi)產(chan)品(pin)的(de)內(nei)在(zai)質(zhi)量(liang)。下(xia)麵(mian)我(wo)們(men)談(tan)談(tan)一(yi)些(xie)常(chang)用(yong)的(de)食(shi)品(pin)內(nei)塗(tu)塗(tu)料(liao)。
我國容許使用在鋼桶內壁上的食品塗料有:聚酰胺環氧樹脂塗料、過氧乙烯塗料、有機氟塗料等。下麵我們來探討以下這些內塗塗料的食品安全衛生要求。
一、聚酰胺環氧樹脂塗料的衛生要求
聚酰胺環氧樹脂塗料屬於環氧樹脂類塗料。環氧樹脂塗料屬於固化成膜塗料。環氧樹脂一般由雙酚A(二酚基丙烷)與環氧氯丙烷聚合而成。根據聚合程度不同,環氧樹脂的分子量也不同,從衛生角看,分子量越大(即環氧值越小)越穩定,越不易有有害物質溶出向食品中遷移,因此其安全性越高。
聚酰胺作為聚酰胺氧樹脂塗料的固化劑,其本身是一種高分子分合物,未見有毒性報導。聚酰胺環氧樹脂的質量(環氧樹脂的環氧值)、固化劑的配比以及固化度。固化劑配比適當,固化度越高,環氧樹脂塗料中向食品中遷移的未固化物質越少。按照GB9686—88《食品容器內壁聚酰胺環氧樹脂塗料衛生標準》的規定,聚酰胺環氧樹脂塗料在各種溶劑中的蒸發殘渣應控製在30mg/l以下。
二、過氯乙烯塗料的衛生要求
過(guo)氯(lv)乙(yi)烯(xi)塗(tu)料(liao)以(yi)過(guo)氯(lv)乙(yi)烯(xi)樹(shu)脂(zhi)為(wei)原(yuan)料(liao),配(pei)以(yi)增(zeng)塑(su)劑(ji),經(jing)塗(tu)刷(shua)或(huo)噴(pen)塗(tu)鋼(gang)桶(tong)內(nei)壁(bi)後(hou)自(zi)然(ran)幹(gan)燥(zao)成(cheng)膜(mo)。過(guo)氯(lv)乙(yi)烯(xi)塗(tu)料(liao)一(yi)般(ban)分(fen)為(wei)底(di)漆(qi)和(he)麵(mian)漆(qi)。過(guo)氯(lv)乙(yi)烯(xi)樹(shu)脂(zhi)含(han)有(you)氯(lv)乙(yi)烯(xi)單(dan)體(ti),氯(lv)乙(yi)烯(xi)是(shi)一(yi)種(zhong)致(zhi)癌(ai)的(de)有(you)毒(du)化(hua)合(he)物(wu)。成(cheng)膜(mo)後(hou)的(de)過(guo)氯(lv)乙(yi)烯(xi)塗(tu)料(liao)中(zhong)仍(reng)可(ke)能(neng)含(han)有(you)氯(lv)乙(yi)烯(xi)的(de)殘(can)留(liu),按(an)照(zhao)GB7105—86《食品容器過氯乙烯內壁塗料衛生標準》的規定,成膜後的過氯乙烯塗料中氯乙烯單體殘留應控製在1mg/kg以下。過氯乙烯塗料中所使用的增塑劑、溶劑等助劑必須符合GB9685—94《食品容器、包裝材料用助劑作用衛生標準》的有關規定,不得使用極毒或高毒的助劑。塗膜應均勻、無氣泡、斑點、皺折、脫落現象。
三、有機氟塗料的衛生要求
有機氟塗料包括聚氟乙烯、聚四氟乙烯、聚六氟丙烯塗料,這些塗料以氟乙烯、四氟乙烯、六氟丙烯為主要原料聚合而成,並配以一定助劑,噴塗在鋼桶的內壁表麵。有機氟塗料具有防粘、naifushidetedian,danqinaisuanxingjiaocha。suoyitabeiguangfandeyingyongzaishengzhuangfengmideneitugangtongshang。jutiyingyongzaineitufengmigangtongshangdeyoujifutuliaoweijusifuyixi,jianchengweiPVFtuliao。tashiyizhonggaofenzihuahewu,huaxuexingzhiwending,yibanqingkuangxiabuhuiyoudanticanliu,shiyizhongbijiaoanquandeshipinbaozhuanggangtongneibituliao。danshi,youyujusifuyixituliaoduibeitugangtongdeqingjiechengduyaoqiujiaogao,suoyigangtongzaipentuqiantongchangyaoxianjinxingqingxichuli。qingxigangtongneibishi,muqiandabufengangtongshengchanqiyedoushicaiyongpenlinqingxihongganxianjinxingqingxi。erqingxijichangyonggesuanyan,zheyangyoukenengzaochenggeyancanliuzaigangtongbiaomian,jinerhunruneitutuliaozhong。yinci,zaishengchanneitufengmitongshi,yinggaianzhaoGB1167—89《食品容器內壁聚四氟乙烯塗料衛生標準》的規定對內塗蜂蜜桶進行檢驗。標準中規定,鉻和氟的適宜量應分別控製在0.01mg/l和0.2mg/l以下。另外,聚四氟乙烯在烘烤時,如果溫度達到280℃時就會發生裂變,產生揮發性很強的有毒氟化物,所以,在使用聚四氟乙烯內塗蜂蜜桶時一般烘烤溫度不得超過250℃。
tongguoshangmiandejieshao,womenkeyikanchu,tuyubaozhuangshipingangtongneibideshipintuliao,ruguocaozuobudang,buyangeangongyiyaoqiulaikongzhi,huoduohuoshaodedouhuiyoucanliuwuxiangtuliaotucengqianyi,congerwuranneishengdeshipin。erzuoweishipindebaozhuang,tabixumanzushipindeanquanweishengbiaozhun,zheshizuijibendechangshi。jinjinian, 我國出口的果汁、番茄醬、蜂feng蜜mi,總zong是shi因yin為wei農nong藥yao含han量liang超chao標biao而er不bu能neng獲huo得de入ru境jing資zi格ge,甚shen至zhi在zai口kou岸an長chang期qi放fang置zhi,最zui終zhong被bei退tui回hui國guo內nei的de尷gan尬ga局ju麵mian。所suo以yi,作zuo為wei食shi品pin包bao裝zhuang,除chu滿man足zu食shi品pin衛wei生sheng性xing的de基ji本ben要yao求qiu外wai,還hai必bi須xu要yao求qiu溶rong劑ji的de殘can留liu量liang應ying越yue低di越yue好hao。這zhe就jiu要yao求qiu食shi品pin包bao裝zhuang鋼gang桶tong的de生sheng產chan企qi業ye在zai生sheng產chan食shi品pin內nei塗tu桶tong時shi,一yi定ding要yao按an食shi品pin安an全quan衛wei生sheng要yao求qiu,確que保bao鋼gang桶tong的de清qing潔jie和he殘can留liu有you害hai物wu量liang不bu超chao過guo衛wei生sheng標biao準zhun要yao求qiu;為wei了le保bao證zheng食shi品pin塗tu料liao的de質zhi量liang可ke靠kao,鋼gang桶tong生sheng產chan企qi業ye應ying定ding期qi的de向xiang食shi品pin塗tu料liao供gong應ying商shang索suo取qu當dang地di上shang級ji質zhi檢jian部bu分fen出chu具ju的de生sheng產chan許xu可ke證zheng和he有you效xiao的de食shi品pin安an全quan衛wei生sheng檢jian驗yan報bao告gao。質zhi量liang技ji術shu監jian督du部bu門men也ye要yao定ding期qi對dui其qi食shi品pin內nei塗tu鋼gang桶tong進jin行xing監jian督du檢jian查zha,並bing出chu具ju檢jian驗yan報bao告gao;食品內塗桶的使用客戶也一定要向包裝鋼桶的製造廠商索取上級質檢部分出具的生產許可證和有效的食品安全衛生檢驗報告。
手機版




