转基因食品英文版

转基因食品GeneticallyModifiedFoods，GMFFromthecomics,wecanseethegeneticallymodifiedfoodshaveseepedintoourlives!TableofContents目录IntroductionSpeciesProsandconsHowtotreatgeneticallymodifiedfoodRationally?SafetyandsafetyevaluationGeneticallyModifiedFoodGeneticallymodified(GM)foodsarefoodsderivedfromgeneticallymodifiedorganisms.GeneticallymodifiedorganismshavehadspecificchangesintroducedintotheirDNAbygeneticengineeringtechniques.Thesetechniquesaremuchmoreprecisethanmutagenesis(mutationb-reeding)whereanorganismisexposedtoradiationorchemicalstocre-ateanon-specificbutstablechange.Othertechniquesbywhichhuman-smodifyfoodorganismsincludeselectivebreeding(plantbreedingandanimalbreeding),andsomaclonalvariation.Typesofgeneticallymodifiedfoods1.plantManyGMcropshavenowbeendeveloped,includingsoybean,corn,potato,canolaandcotton.ThefirstrecombinantDNA-derivedfoodplantwasatomatocarryingananti-sensegenetoreducethelevelofthesofteningenzymepolyga-lacturonasetoincreasetheshelflifeofthefruit.2.AnimalsThegeneticmodificationofanimalscanbeappliedtobiomedicalresearch,modellingofhumandisease,productionofproteinsorothersubstancesforthe-rapeutiveaims,asanalternativesourceofcelltissuesandorgansforxenotrans-plantation,andtoimprovedesiredfeaturesoffarmanimalsandfish,suchasdis-easeresistanceandfoodproduction.GMfisharecurrentlyavailable,buttherearenofoodproductsderivedfromGMlivestockorpoultry.3.MicroorganismsAlthoughGMmicroorganismsandingredientsproducedfromthem(e,g,GMchymosinincheesemaking)havebeenavailableformanyyears,useofGMba-cteriaandyeastsinfoodsandinfoodproductionhasbeenlimited.Manyappli-cationsarepossible,includingimprovementoftraditionalfoodfermentations,productionofavarietyofmetabolicendproducts,anddevelopmentofbacteriawithenhancedprobioticandotherhealthbenefitproperties.ProsandconsofGMfood1.AdvantagesIncreasecropyields;Reduceproductioncosts;Enhancecropresistancetopestsandvirus,Improveagriculturalresistantstorability;Shortencropdevelopmenttime;GetridoftheFourSeasonssupply;Breakdownspeciesbarriers,Cultivatenewspecies,Producedconducivefoodstohumanhealth.。2.PossiblehazardsMakethebodyresistanttosomedrugs;Produceharmfultoxins;Produceabnormalconditionorallergicreaction;Havesomeimpactsonenvironment.SafetyandsafetyevaluationRiskanalysisofgenerallyfollowstheCodexAlimentariusprinciples(FAO/WHO2003)andconsistsofthefollowingcomponents:Riskassessmentisascientificexaminationofthenatureofthehazardinvo-lved(hazardidentification),theextentofthehazardanditsrisk(hazardcharact-erisation),thelikelihoodofitseffectsonparticularsegmentsofthepopulation(exposureassessment),andanoverallassessmentoftheseverityoftheriskanditsconsequences(riskcharacterisation).Riskmanagementisusuallyundertakenbylegislators(stateornationaljuris-dictions)whoconsideravarietyofoptionsbeforeandaftrtheirimplementation,takingintoaccount,whereappropriate,“otherlegitimatefactors”.Riskcommunicationinvolvesadynamicinterchangeofviewsamongallthoseinvolvedinassessingandmanagingriskandthepublic.部分水稻为转基因彩色棉花小西红柿（圣女果）湖北、广西居多新疆居多典型的转基因甜玉米彩色柿子椒所有木瓜全国很普遍全国都有全国已找不到非转基因的了我国常见的转基因食品冬枣黑米花生部分菜籽油山东、河南、河北居多全国都有南方各省居多紫薯全部进口大豆全部进口玉米浙江、四川、山东、河南中粮集团居多中粮集团居多都有Rationalviewoftransgenictechnolog1.Whileavoidingdisadvantages,butnotunworthy.2.Improverelevantlawsandregulations,uselegalmeanstoensurethesafetyofgeneticallymodifiedorganisms.3.Enhancethelegalawarenessofscientists,improveethicalofstandardsresearchscientists转基因食品ViewsofYuanlongping利用生物技术开展农作物育种是今后的发展方向和必然趋势，转基因技术是分子技术中的一类，因此必须加强转基因技术的研究和应用。对待转基因食品，特别是可直接食用的转基因品种应持科学慎重的态度，转基因食品对于人体是否有伤害至少需要两代人才能得出结论。Doyoudareeatthisnewtransgenickiwi?