寧波出入境檢驗檢疫局 梁銘明
人們食用被農藥汙染的蔬菜,一旦中毒,輕則頭痛、頭昏、惡心、腹痛,重則可引起昏迷甚至死亡。因此,蔬菜中的農藥殘留對人體健康的危害極深。隨著我國加入 WTO,國guo外wai為wei了le限xian製zhi我wo國guo農nong產chan品pin的de輸shu入ru,越yue來lai越yue多duo地di采cai取qu綠lv色se技ji術shu壁bi壘lei手shou段duan,加jia強qiang對dui輸shu入ru蔬shu菜cai等deng農nong產chan品pin的de農nong藥yao殘can留liu檢jian測ce。因yin此ci,為wei了le保bao證zheng出chu口kou蔬shu菜cai的de質zhi量liang,擴kuo大da我wo國guo蔬shu菜cai的de出chu口kou,對dui出chu口kou蔬shu菜cai中zhong的de農nong藥yao殘can留liu進jin行xing重zhong點dian監jian控kong是shi十shi分fen迫po切qie和he需xu要yao的de。當前,檢驗檢疫部門對出口蔬菜生產企業普遍推廣建立HACCP計劃,以期有效控製農藥殘留及其他有毒有害物質。通過建立HACCP計劃,確實對保證出口蔬菜質量起到了積極作用。但是,我們在工作中也看到,由於少數企業在建立和實施HACCP計劃時,對農藥殘留這個顯著化學危害的關鍵控製點(CCP)的監控沒有完全到位,導致其部份出口蔬菜仍被國外檢出農殘超標的現象。誠然,HACCP計劃不是萬能鑰匙,並不能說建立了HACCP就可以保證出口食品質量萬無一失,但另一方麵,我們可以從完善HACCP計劃著手,充分發揮HACCP計劃的有效性,使建立HACCP計劃的出口蔬菜加工企業能對出口蔬菜提供更加放心的質量保證。
要使對出口蔬菜中農藥殘留CCP的監控充分有效,根據HACCP原理1(危害分析和預防措施),對出口蔬菜中農藥殘留產生的原因進行充分分析是十分重要的。我國蔬菜中存在農藥殘留主要由於以下幾方麵原因:yishiyouyunongyaoshiyongdebuguifan,shaoshushengchanzheyinquefanongyaoanquanshiyongdezhishihuomoulixinqie,zaishucaishangshiyongguojiaminglingjinzhizaishucaishangshiyongdejudugaocanliunongyao;二是由於菜農頻繁使用農藥,使病菌和蟲害對一些常用農藥產生抗藥性,於是生產者就擅自提高濃度,超量使用低毒農藥;三是由於對農藥使用知識的缺乏或者對農藥安全觀念淡薄,一些菜農未到農藥使用的安全間隔期,就將蔬菜采摘銷售;sishizaiguoqujishinianli,youyunongyaodelanyong,zhishiturangzhonggaocanliunongyaojidianerdaozhizhongzhidenongchanpinnongcanchaobiao,lingwai,youyugongyedefazhan,hedaodewuran,shuizhidepohuai,zhouweihuanjingzhongnongyaodejiaochawuranyeduishucaizhongdenongyaocanliudailaianquanyinhuan。
出口蔬菜生產企業建立HACCP,在分析工藝流程時,我們往往從原料進廠驗收開始,由於在蔬菜的後續加工工序中,都無法降解原料中的農藥殘留量,因此根據HACCP原理2(確定關鍵控製點),蔬菜農藥殘留的關鍵控製點常設在原料驗收這一工序中。
確定了關鍵控製點(CCP),接下來,我們重點討論對關鍵控製點監控(HACCP原理4)。在(zai)製(zhi)訂(ding)監(jian)控(kong)計(ji)劃(hua)時(shi),重(zhong)點(dian)是(shi)找(zhao)出(chu)監(jian)控(kong)的(de)對(dui)象(xiang),比(bi)較(jiao)直(zhi)觀(guan)地(di),我(wo)們(men)可(ke)以(yi)通(tong)過(guo)查(zha)驗(yan)原(yuan)料(liao)供(gong)應(ying)商(shang)提(ti)供(gong)的(de)農(nong)殘(can)檢(jian)測(ce)合(he)格(ge)報(bao)告(gao)來(lai)達(da)到(dao)監(jian)控(kong)目(mu)的(de)。這(zhe)一(yi)方(fang)法(fa)在(zai)理(li)論(lun)上(shang)是(shi)有(you)效(xiao)的(de),但(dan)實(shi)際(ji)情(qing)況(kuang)雖(sui)然(ran)對(dui)每(mei)批(pi)蔬(shu)菜(cai)原(yuan)料(liao)都(dou)由(you)供(gong)貨(huo)商(shang)進(jin)行(xing)了(le)農(nong)殘(can)檢(jian)測(ce),但(dan)出(chu)口(kou)蔬(shu)菜(cai)最(zui)後(hou)在(zai)成(cheng)品(pin)檢(jian)測(ce)和(he)國(guo)外(wai)檢(jian)查(zha)中(zhong)被(bei)檢(jian)出(chu)農(nong)殘(can)超(chao)標(biao)的(de)隱(yin)患(huan)依(yi)然(ran)存(cun)在(zai),這(zhe)也(ye)被(bei)很(hen)多(duo)實(shi)例(li)所(suo)證(zheng)明(ming),其(qi)根(gen)本(ben)原(yuan)因(yin)在(zai)於(yu)供(gong)貨(huo)商(shang)提(ti)供(gong)檢(jian)測(ce)的(de)樣(yang)品(pin)代(dai)表(biao)性(xing)差(cha)。這(zhe)是(shi)由(you)於(yu)我(wo)國(guo)蔬(shu)菜(cai)生(sheng)產(chan)在(zai)很(hen)多(duo)地(di)區(qu)尚(shang)未(wei)形(xing)成(cheng)規(gui)模(mo)經(jing)營(ying),蔬(shu)菜(cai)原(yuan)料(liao)的(de)收(shou)購(gou)可(ke)能(neng)來(lai)自(zi)千(qian)家(jia)萬(wan)戶(hu),各(ge)單(dan)一(yi)地(di)塊(kuai)所(suo)播(bo)種(zhong)蔬(shu)菜(cai)的(de)種(zhong)植(zhi),施(shi)肥(fei)及(ji)施(shi)藥(yao)的(de)種(zhong)類(lei)、使用的時間、使shi用yong的de劑ji量liang,采cai摘zhai的de間jian隔ge期qi可ke能neng各ge不bu相xiang同tong,千qian差cha萬wan別bie,這zhe就jiu導dao致zhi了le單dan單dan檢jian測ce某mou一yi地di塊kuai所suo產chan蔬shu菜cai的de農nong藥yao殘can留liu不bu能neng代dai表biao整zheng批pi蔬shu菜cai原yuan料liao的de質zhi量liang,而er對dui每mei個ge種zhong植zhi戶hu提ti供gong的de蔬shu菜cai原yuan料liao都dou進jin行xing農nong殘can檢jian測ce,顯xian而er易yi見jian費fei用yong昂ang貴gui,無wu法fa施shi行xing,另ling外wai,目mu前qian我wo國guo蔬shu菜cai中zhong使shi用yong的de農nong藥yao種zhong類lei繁fan多duo,在zai檢jian測ce時shi也ye不bu可ke能neng對dui所suo有you的de農nong藥yao殘can留liu進jin行xing檢jian測ce,加jia上shang國guo外wai對dui農nong殘can檢jian測ce的de要yao求qiu也ye十shi分fen苛ke刻ke,如ru日ri本ben對dui我wo出chu口kou蔬shu菜cai要yao求qiu檢jian測ce43zhongnongcan。suoyiyaobaozhengzheyifangfaqieshiyouxiao,bixubaozhengyangpinjuyoukexuededaibiaoxing,zhejiuyaoqiuchukoushucaishizaiguimojingying,piliangshengchandeqiantixia,qizhongzhimoshishixitonghuade、有組織的統一種植、施肥、施藥。
對(dui)出(chu)口(kou)蔬(shu)菜(cai)農(nong)藥(yao)殘(can)留(liu)關(guan)鍵(jian)控(kong)製(zhi)點(dian)的(de)第(di)二(er)種(zhong)監(jian)控(kong)方(fang)法(fa),可(ke)以(yi)檢(jian)查(zha)供(gong)貨(huo)商(shang)提(ti)供(gong)的(de)無(wu)農(nong)藥(yao)汙(wu)染(ran)產(chan)地(di)證(zheng)明(ming)。用(yong)這(zhe)種(zhong)方(fang)法(fa),供(gong)貨(huo)商(shang)不(bu)必(bi)對(dui)自(zi)己(ji)提(ti)供(gong)的(de)原(yuan)料(liao)進(jin)行(xing)農(nong)殘(can)檢(jian)測(ce),在(zai)時(shi)間(jian)和(he)費(fei)用(yong)上(shang)更(geng)為(wei)有(you)利(li)。但(dan)采(cai)用(yong)這(zhe)一(yi)監(jian)控(kong)方(fang)法(fa),首(shou)先(xian)必(bi)須(xu)確(que)定(ding)那(na)些(xie)產(chan)地(di)的(de)蔬(shu)菜(cai)原(yuan)料(liao)是(shi)無(wu)農(nong)藥(yao)汙(wu)染(ran)的(de),而(er)且(qie)確(que)定(ding)無(wu)農(nong)藥(yao)汙(wu)染(ran)的(de)認(ren)定(ding)方(fang)必(bi)須(xu)有(you)一(yi)定(ding)的(de)權(quan)威(wei)性(xing),隻(zhi)有(you)如(ru)此(ci),才(cai)能(neng)保(bao)證(zheng)原(yuan)料(liao)的(de)安(an)全(quan)性(xing)。因(yin)此(ci),要(yao)把(ba)重(zhong)點(dian)放(fang)在(zai)監(jian)控(kong)的(de)手(shou)段(duan)上(shang),對(dui)無(wu)農(nong)藥(yao)殘(can)留(liu)產(chan)地(di)證(zheng)明(ming)的(de)認(ren)定(ding),不(bu)能(neng)光(guang)憑(ping)企(qi)業(ye)自(zi)己(ji)提(ti)供(gong)的(de)一(yi)個(ge)產(chan)地(di)無(wu)農(nong)藥(yao)殘(can)留(liu)調(tiao)查(zha)報(bao)告(gao),就(jiu)認(ren)為(wei)CCP點(dian)得(de)到(dao)了(le)有(you)效(xiao)的(de)控(kong)製(zhi),如(ru)果(guo)一(yi)個(ge)企(qi)業(ye)沒(mei)有(you)對(dui)蔬(shu)菜(cai)原(yuan)料(liao)從(cong)種(zhong)子(zi)下(xia)地(di)到(dao)原(yuan)料(liao)采(cai)摘(zhai)進(jin)行(xing)全(quan)過(guo)程(cheng)管(guan)理(li)和(he)監(jian)控(kong),那(na)麼(me),這(zhe)種(zhong)產(chan)地(di)證(zheng)明(ming)往(wang)往(wang)被(bei)證(zheng)明(ming)是(shi)無(wu)效(xiao)的(de),少(shao)數(shu)企(qi)業(ye)雖(sui)然(ran)建(jian)立(li)和(he)執(zhi)行(xing)了(le)HACCP計劃,但最終產品仍被檢出農殘超標,其中重要的原因就是因為對原料的生產沒有很好地控製,農戶使用了那些農藥、如何使用都沒有記錄,沒有製度,光憑生產經營者的口頭承諾,顯然其誠信度值得懷疑。因此,要使原料驗收這一CCPdiandedaoyouxiaokongzhi,zaiweihaifenxihejianliguanjianxianzhishi,womendeshiyebunengjuxianyuqiyeneibushengchanzheyihuanjie。congqiyeshengchanlaishuo,qishengchangongxushicongyuanliaojinchangyanshoukaishide,ershijishang,duiyushucaishengchandenongyaocanliu,yaoxiangduiqijinxingkongzhi,bixufenxicongzhongzidaocaizhaidaoshengchanjiagongdequanguocheng,zheyangcaishideshucaijiagongdezhenggegongyiliuchengdouchuyuqiyedejiankongzhixia,shinongcanweihaidedaoyouxiaokongzhi,qianmiantandao,shucainongcandefashengzhuyaoshiyouyuweijinnongyaodeshiyong、農藥使用不當而造成的,這就要求我們在製訂HACCP計ji劃hua時shi,需xu要yao把ba目mu光guang重zhong點dian投tou入ru到dao原yuan料liao的de生sheng產chan過guo程cheng中zhong去qu,確que保bao原yuan料liao的de生sheng產chan是shi處chu在zai科ke學xue有you序xu的de管guan理li之zhi下xia,是shi在zai無wu汙wu染ran的de情qing況kuang下xia進jin行xing的de,由you此ci供gong貨huo商shang提ti供gong的de產chan地di證zheng明ming才cai會hui真zhen實shi有you效xiao。因yin此ci,采cai取qu這zhe一yi方fang法fa的de前qian提ti是shi供gong貨huo商shang必bi須xu要yao建jian立li原yuan料liao生sheng產chan的de基ji地di,搞gao規gui模mo經jing營ying,接jie受shou生sheng產chan企qi業ye的de管guan理li,對dui種zhong植zhi基ji地di的de土tu壤rang、水質、環(huan)境(jing)進(jin)行(xing)調(tiao)查(zha)和(he)檢(jian)測(ce),避(bi)免(mian)在(zai)不(bu)符(fu)合(he)的(de)基(ji)地(di)種(zhong)植(zhi)蔬(shu)菜(cai),同(tong)時(shi)配(pei)備(bei)植(zhi)保(bao)員(yuan),指(zhi)導(dao)農(nong)民(min)提(ti)高(gao)對(dui)病(bing)蟲(chong)害(hai)的(de)防(fang)治(zhi)知(zhi)識(shi),合(he)理(li)規(gui)範(fan)使(shi)用(yong)農(nong)藥(yao),在(zai)此(ci)基(ji)礎(chu)上(shang),出(chu)口(kou)蔬(shu)菜(cai)的(de)原(yuan)料(liao)種(zhong)植(zhi)基(ji)地(di)再(zai)統(tong)一(yi)經(jing)過(guo)權(quan)威(wei)部(bu)門(men)如(ru)檢(jian)驗(yan)檢(jian)疫(yi)部(bu)門(men)的(de)登(deng)記(ji)備(bei)案(an),這(zhe)樣(yang),就(jiu)使(shi)得(de)農(nong)藥(yao)殘(can)留(liu)這(zhe)一(yi)嚴(yan)重(zhong)的(de)化(hua)學(xue)危(wei)害(hai)在(zai)蔬(shu)菜(cai)生(sheng)產(chan)過(guo)程(cheng)中(zhong)得(de)了(le)有(you)效(xiao)控(kong)製(zhi),同(tong)時(shi)也(ye)符(fu)合(he)國(guo)家(jia)法(fa)律(lv)法(fa)規(gui)的(de)有(you)關(guan)規(gui)定(ding),達(da)到(dao)國(guo)家(jia)質(zhi)檢(jian)總(zong)局(ju)《進出境蔬菜檢驗檢疫管理辦法(試行)》所規定的要求:出chu境jing蔬shu菜cai原yuan料liao必bi須xu來lai自zi經jing檢jian驗yan檢jian疫yi機ji構gou備bei案an的de出chu境jing蔬shu菜cai種zhong植zhi基ji地di。由you此ci可ke見jian,采cai用yong檢jian查zha供gong貨huo商shang提ti供gong的de無wu農nong藥yao汙wu染ran產chan地di證zheng明ming這zhe一yi監jian控kong方fang法fa的de重zhong點dian是shi供gong貨huo商shang提ti供gong的de蔬shu菜cai是shi在zai基ji地di生sheng產chan,規gui範fan合he理li使shi用yong農nong藥yao,整zheng個ge生sheng產chan過guo程cheng從cong種zhong植zhi施shi藥yao到dao原yuan料liao采cai摘zhai過guo程cheng得de到dao有you效xiao控kong製zhi。
綜zong上shang,對dui出chu口kou蔬shu菜cai農nong藥yao殘can留liu關guan鍵jian控kong製zhi點dian的de監jian控kong,無wu論lun采cai取qu那na一yi種zhong方fang法fa,都dou對dui蔬shu菜cai原yuan料liao的de生sheng產chan提ti出chu了le較jiao高gao的de要yao求qiu,也ye即ji蔬shu菜cai原yuan料liao必bi須xu來lai自zi規gui模mo經jing營ying。由you於yu采cai取qu第di一yi種zhong方fang法fa供gong貨huo商shang仍reng需xu對dui原yuan料liao進jin行xing農nong殘can檢jian測ce,由you此ci帶dai來lai檢jian測ce費fei用yong等deng一yi係xi列lie問wen題ti,因yin此ci不bu宜yi提ti倡chang。我wo們men推tui薦jian使shi用yong第di二er種zhong監jian控kong方fang法fa對dui原yuan料liao驗yan收shou這zhe一yiCCP點進行監控,采取這一監控手段,要把主要精力放在蔬菜原料的生產是否處於無汙染生產上麵,如此,企業在建立HACCP計(ji)劃(hua)時(shi),必(bi)須(xu)首(shou)先(xian)對(dui)供(gong)貨(huo)商(shang)提(ti)供(gong)的(de)加(jia)工(gong)蔬(shu)菜(cai)原(yuan)料(liao)的(de)生(sheng)產(chan)情(qing)況(kuang)進(jin)行(xing)評(ping)定(ding),判(pan)定(ding)其(qi)是(shi)否(fou)合(he)格(ge)供(gong)方(fang),然(ran)後(hou)在(zai)原(yuan)料(liao)驗(yan)收(shou)時(shi)才(cai)可(ke)以(yi)采(cai)取(qu)檢(jian)查(zha)其(qi)產(chan)地(di)證(zheng)明(ming)的(de)方(fang)法(fa)來(lai)達(da)到(dao)監(jian)控(kong)的(de)目(mu)的(de)。
二00三年八月二十日
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