農產品中農藥去除的技術研究
nongyaoshiwomennongyeshengchanzhongsuobixudecailiao,danshiwomenlejiedao,nongyaoshijiaguoduohuizaochengshiwushiquyuanyoudeyingyangjiazhi,yanzhongdejiuhuizaochengyixiezhongdudexianxiang。yinciwomenzaijinxingfeiliaoshijiadeshihoushiyaoyouyidingdeliangde,zhenduizuowusuoxuyaojinxingshifei,jibuhuizaochenglangfeijiangdichengben,haibijiaohuanbao,zhezhengshiwomensuoxuyaodenongyefazhanqushi。duiyushijianongyaodezuowulaishuo,womenkeyitongguo農藥殘留速測儀來檢測具體的藥物殘留情況並進行一些人為的處理。農產品是人類食品的主要來源,飲食是人類生存的第一需要,隨著經濟的發展、科技的進步、生(sheng)活(huo)水(shui)平(ping)的(de)提(ti)高(gao),人(ren)類(lei)對(dui)自(zi)身(shen)生(sheng)存(cun)的(de)安(an)全(quan)有(you)了(le)更(geng)加(jia)深(shen)刻(ke)的(de)理(li)解(jie),農(nong)產(chan)品(pin)中(zhong)農(nong)藥(yao)殘(can)留(liu)問(wen)題(ti)已(yi)引(yin)起(qi)人(ren)們(men)的(de)高(gao)度(du)重(zhong)視(shi),如(ru)何(he)去(qu)除(chu)農(nong)產(chan)品(pin)中(zhong)的(de)農(nong)藥(yao)殘(can)留(liu)也(ye)已(yi)成(cheng)為(wei)世(shi)界(jie)各(ge)國(guo)的(de)研(yan)究(jiu)熱(re)點(dian)。
目前我國難以在短期內從源頭解決農產品中農藥殘留超標問題,為保障消費者身心健康和生命安全,采取有效措施。 農藥殘留的去除方法主要有生物降解、物理方法、化學方法等,國內外對此進行了多方麵的研究,主要集中在土壤和水體,對農產品中的農藥殘留去除研究相對較少,我國從20世紀80niandaiyekaizhanlezhefangmiandeyanjiugongzuo,bingqudelexiangdangdadejinzhan。gongshenghuodanyiweishengwuduinongyaodejiangjiezuoyongdoushizaimeicanyuxiawanchengde,zhexiejiangjiemeiyoudeshiweishengwuguyoude,youdeshiyouyubianyierchanshengde。jiangjiemeiwangwangbichanshengzheleimeideweishengwujuntigengnengrenshouyichanghuanjingtiaojian,erqiemeidejiangjiexiaoguoyuanshengyuweishengwubenshen,youqishizaicanliunongyaozhiliangnongdudideqingkuangxia。
同時昆蟲解毒酶如羧酸酯酶、多duo功gong能neng氧yang化hua酶mei等deng也ye可ke用yong於yu作zuo物wu農nong藥yao殘can留liu降jiang解jie,目mu前qian已yi成cheng為wei人ren們men研yan究jiu的de熱re點dian。趙zhao嬰ying榮rong等deng研yan究jiu了le昆kun蟲chong解jie毒du酶mei對dui小xiao白bai菜cai中zhong有you機ji磷lin農nong藥yao馬ma拉la硫liu磷lin等deng的de降jiang解jie作zuo用yong,結jie果guo表biao明ming對dui此ci類lei農nong藥yao有you較jiao好hao的de降jiang解jie作zuo用yong。但dan是shi降jiang解jie酶mei的de穩wen定ding性xing嚴yan重zhong影ying響xiang農nong藥yao殘can留liu的de降jiang解jie效xiao果guo,隨sui著zhe研yan究jiu不bu斷duan深shen入ru,科ke研yan工gong作zuo者zhe發fa現xian酶mei的de穩wen定ding性xing問wen題ti可ke通tong過guo固gu化hua技ji術shu來lai解jie決jue。近jin年nian來lai,農nong藥yao降jiang解jie酶mei基ji因yin的de克ke隆long與yu表biao達da可ke以yi構gou建jian降jiang解jie譜pu廣guang、降解徹底的工程菌。 renmenkeyitongguojiyingongchengjishujiangbiaodagaoxiaojiangjienongyaodemeidejiyingoujiandaozaitizhong,jingzhuanhuahuodegongchengjunlaitigaojiangjiezuoyongdetedingdanbaihuomeidebiaodashuiping,congertigaojiangjiexiaolv。zaizhongduojiangjienongyaocanliudefangfazhong,yanjiujiaoduodeshihuaxuejiangjie,zhuyaobaokuoshuijie、氧化分解、光化學降解等。 由you於yu化hua學xue降jiang解jie可ke能neng會hui帶dai來lai二er次ci汙wu染ran,甚shen至zhi把ba無wu毒du或huo低di毒du物wu質zhi變bian成cheng有you毒du或huo毒du性xing更geng大da的de物wu質zhi,從cong而er在zai很hen大da程cheng度du上shang限xian製zhi了le化hua學xue方fang法fa在zai降jiang解jie農nong藥yao殘can留liu上shang的de廣guang泛fan應ying用yong。
麵mian對dui化hua學xue農nong藥yao在zai很hen長chang一yi段duan時shi間jian仍reng不bu可ke替ti代dai的de客ke觀guan現xian實shi,農nong藥yao殘can留liu去qu除chu將jiang繼ji續xu是shi人ren們men研yan究jiu的de熱re點dian。目mu前qian農nong產chan品pin中zhong農nong藥yao殘can留liu的de去qu除chu一yi般ban都dou比bi較jiao耗hao時shi,且qie成cheng本ben較jiao高gao,去qu除chu效xiao果guo也ye不bu理li想xiang,有you的de往wang往wang還hai會hui帶dai來lai二er次ci汙wu染ran,有you的de可ke能neng會hui影ying響xiang農nong產chan品pin的de品pin質zhi。今jin後hou農nong產chan品pin中zhong農nong藥yao殘can留liu去qu除chu必bi將jiang從cong單dan一yi途tu徑jing向xiang多duo種zhong途tu徑jing並bing用yong的de方fang向xiang發fa展zhan,充chong分fen利li用yong各ge自zi優you點dian,尋xun找zhao出chu一yi種zhong既ji能neng最zui大da化hua去qu除chu農nong產chan品pin中zhong農nong藥yao殘can留liu又you可ke以yi保bao持chi其qi原yuan有you的de品pin質zhi及ji生sheng理li代dai謝xie不bu受shou明ming顯xian影ying響xiang的de去qu除chu方fang法fa。同tong時shi,對dui於yu不bu同tong的de農nong產chan品pin、不同類的農藥種類,相適應的最佳農藥殘留去除方法也不一樣。相信隨著科技的發展、研究的深入,農產品中農藥殘留的去除技術將日逐完善。中國糧油儀器網 http://www.98fo.cn/



