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文献翻译(2010届本科)学院食品学院专业食品科学与工程(物流工程)班级高地一班姓名XXX学号XXX指导教师XXX2010年5月EMERGINGTECHNOLOGIESFORKEEPINGMICROBIALANDSENSORYQUALITYOFMINIMALLYFRESHPROCESSEDFRUITSANDVEGETABLESTHEEMPHASISINPOSTHARVESTFRUITPROTECTIONAGAINSTQUALITYATTRIBUTESLOSSES,PHYSIOLOGICALDISORDERS,DISEASESANDINSECTSHASSHIFTEDFROMUSINGAGROCHEMICALSTOVARIOUSALTERNATIVETECHNIQUES,INCLUDINGBIOLOGICALCONTROL,CULTURALADAPTATIONSANDPHYSICALMETHODSSUCHASCONTROLLEDATMOSPHERECA,MAPANDIRRADIATIONGIVENTHERESTRICTIONSOFCHEMICALUSEINPLANTFOODSANDBECAUSEMANYOFTHEMCAUSEECOLOGICALPROBLEMSORAREPOTENTIALLYHARMFULTOHUMANSANDMAYBEWITHDRAWNFROMUSE,THEADVANTAGEOFTHESEALTERNATIVETECHNIQUESISTHATNOCHEMICALSAREINVOLVEDARTS,1995GRAHAMANDSTEVENSON,1997REDDYETAL,1998MATHREETAL,1999SANZETAL,1999DAUGAARD,2000HARKERETAL,2000MARQUENIEETAL,2003ADDITIONALLY,PRESERVATIONTECHNIQUESAREBECOMINGMILDERINRESPONSETODEMANDSOFCONSUMERSFORHIGHERQUALITY,MORECONVENIENTFOODSTHATARELESSHEAVILYPROCESSEDANDPRESERVEDANDLESSRELIANTONCHEMICALPRESERVATIVESABEEANDWOUNTERS,1999THEUNIQUEWAYTOASSUREMICROBIALANDSENSORYQUALITYOFMINIMALLYFRESHPROCESSEDPLANTPRODUCTSRELIESONREFRIGERATEDSTORAGEANDDISTRIBUTION,ALTHOUGHCOMBINATIONOFREFRIGERATIONANDSUBINHIBITORYPRESERVATIONTECHNIQUESCOULDPROLONGTHEIRSHELFLIFEASMENTIONEDABOVE,MANYNONCONVENTIONALMETHODSARENOWBEINGINVESTIGATEDHOWEVER,THEREARESOMELIMITATIONSTOTHEIRAPPLICATIONSINCESOMEMETHODSARENOTAPPLICABLETOFRESHCUTFRUITSANDVEGETABLESBECAUSEOFDAMAGETOPLANTTISSUEBUTONLYTOLIQUIDFOODSSUCHASFRUITJUICESCARLINANDNGUYENTHE,1997THEREFORE,INTHISSECTIONTHOSETECHNIQUESTHATCANBEUSEDTOPRESERVEFRESHPROCESSEDPLANTFOODSWILLBEREVISEDTHEMOSTCRITICALSTEPINTHEPRODUCTIONCHAINOFMINIMALFRESHPROCESSINGOFFRUITSANDVEGETABLESISWASHINGDISINFECTIONFORTHISREASON,SPECIALATTENTIONTOTHEALTERNATIVESANITIZINGAGENTSASWELLASTHENEWTECHNOLOGIESFORDISINFECTIONOFTHESECOMMODITIESWILLBEGIVENTODEVELOPORIMPROVEWASHINGANDSANITIZINGTREATMENTS,SPECIALATTENTIONSHOULDBEPAIDTOTHECOMPATIBILITYOFTREATMENTSWITHCOMMERCIALPRACTICES,COST,ABSENCEOFINDUCEDADVERSEEFFECTSONPRODUCTQUALITYANDTHENEEDFORREGULATORYAPPROVALANDCONSUMERACCEPTANCESAPERS,2001SOMEALTERNATIVESTOSANITIZINGAGENTSAREO3,CLO2,PERACETICACIDABOUT90100PPM,H2O2,ORGANICACIDSACETIC,LACTIC,CITRIC,MALIC,SORBICANDPROPIONICACIDSAT300500MG/ML,ELECTROLYSEDWATER,RADIOFREQUENCY,HOTWATERTREATMENTSANDUVCRADIATIONADAMSETAL,1989MASSON,1990CASTAERETAL,1996TOMSBARBERNETAL,1997DELAQUISETAL,1999,2000,2004SAPERS,2001SUSLOW,2002JACXSENS,2002AGUAYO,2003ALLENDE,20031HYDROGENPEROXIDETREATMENTSOFHYDROGENPEROXIDEH2O2SEEMTOBEAPROMISINGALTERNATIVETOCHLORINEFORDISINFECTINGMINIMALLYFRESHPROCESSEDVEGETABLESSOLIVAFORTUNYANDMARTNBELLOSO,2003H2O2ISGENERALLYRECOGNIZEDASSAFEGRASFORSOMEFOODAPPLICATIONS,BUTHASNOTYETBEENAPPROVEDASANANTIMICROBIALWASHITDOESNOTPRODUCERESIDUESSINCEITISRAPIDLYDECOMPOSEDBYTHEENZYMECATALASETOWATERANDO2SAPERS,2001VARIOUSEXPERIMENTALANTIMICROBIALAPPLICATIONSOFH2O2FORFOODSHAVEBEENDESCRIBED,INCLUDINGPRESERVATIONOFVEGETABLESALADS,BERRIESANDFRESHCUTMELONSHAGENMAIERANDBAKER,1997SINCEITREDUCESMICROBIALPOPULATIONSANDEXTENDSTHESHELFLIFEWITHOUTCAUSINGLOSSOFQUALITYSAPERSANDSIMMONS1998RECOMMENDEDITSUSEFORFRESHCUTMELONASITEXTENDEDTHESHELFLIFEFOR45DAYSINCOMPARISONTOCHLORINETREATMENTSHOWEVER,THEYDEMONSTRATEDTHATH2O2ISINJURIOUSTOSOMECOMMODITIES,CAUSINGBLEACHINGOFANTHOCYANINSINMECHANICALLYDAMAGEDBERRIESH2O2VAPOURDELAYEDORREDUCEDTHESEVERITYOFBACTERIALSOFTROTINFRESHPROCESSEDCUCUMBER,GREENBELLPEPPERANDZUCCHINI,BUTNOEFFECTONSPOILAGEOFFRESHCUTBROCCOLIWASFOUNDHAGENMAIERANDBAKER,1997ADDITIONALLY,ANEXTENDEDSHELFLIFEWASFOUNDINFRESHPROCESSEDCUCUMBERS,GREENBELLPEPPERSANDZUCCHINIAFTERWASHINGINA510PERCENTSOLUTIONOFH2O2FOR2MINSAPERSANDSIMMONS,1998ITMEANSTHATTHEAPPLICABILITYOFH2O2TOABROADRANGEOFMINIMALLYFRESHPROCESSEDVEGETABLESSHOULDBEDETERMINED,ESPECIALLYWITHCOMMODITIESTHATARESUBJECTTORAPIDSPOILAGE2ACIDICELECTROLYSEDWATERTHISISANEWDISINFECTANTTECHNIQUEFORFRESHPRODUCETHATHASBEENSHOWNTOBEEFFICIENTDUETOITSANTIMICROBIALANDANTIVIRALACTIVITIESFORFRUITANDVEGETABLESIZUMI,1999KOSEKIANDITOH,2000ELECTROLYSISOFWATERCONTAININGASMALLAMOUNTOFSODIUMCHLORIDEGENERATESAHIGHLYACIDICHYPOCHLOROUSACIDSOLUTIONCONTAINING10100PPMOFAVAILABLECHLORINEKOSEKIETAL2001FOUNDTHATACIDICELECTROLYSEDWATERPH26,OXIDATIONREDUCTIONPOTENTIAL,1140MV30PPMOFAVAILABLECHLORINEREDUCEDVIABLEAEROBESINSHREDDEDLETTUCEBY2LOGCFU/GWITHIN10MIN,SHOWINGAHIGHERDISINFECTANTEFFECTTHANOZONATEDWATERTHEYREPORTEDTHATTHEUSEOFTHISNEWTECHNIQUECOULDBEAPPLICABLEFORFOODFACTORYHYGIENE,MEANINGTHATTHEUSEOFACIDICELECTROLYSEDWATERATHOMEORRESTAURANTKITCHENJUSTBEFOREEATINGFRESHFRUITSANDVEGETABLESCOULDPREVENTPOISONINGACCORDINGTOTHIS,PARKETAL2002REPORTEDPOPULATIONREDUCTIONSONLETTUCELEAVESEXCEEDING249LOGUNITSFORECOLIO157H7ANDLMONOCYTOGENESANDHORTONETAL1998REPORTEDPOPULATIONREDUCTIONSOFECOLIO157H7ONAPPLESOF3746LOGUNITSCFU/GHOWEVER,IZUMI1999ONLYFOUND1LOGUNITCFU/GREDUCTIONINTHEMICROBIALPOPULATIONOFFRESHCUTVEGETABLES3CHLORINEDIOXIDECHLORINEDIOXIDECLO2ISASTRONGOXIDIZINGAGENTABOUT25TIMESTHEOXIDATIVECAPACITYOFCHLORINEHAVINGABROADBIOCIDEEFFICACYSINGHETAL,2002,INCLUDINGAGOODBIOFILMPENETRATIONTODAT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THATTHEUSEOFO3INTHESTORAGEOFVEGETABLEPRODUCTSCOULDHAVEDETRIMENTALEFFECTS,ASHAPPENEDINSOMEBERRIESWITHVERYTHINSKINWHICHCANBEEASILYPENETRATEDBYO3,OXIDIZINGTHEFRUITNORTONETAL,1968RICEETAL,1982THEANTIMICROBIALEFFICACYCANBEENHANCEDCONSIDERABLYWHENOZONATIONISCOMBINEDWITHOTHERCHEMICALEGH2O2ORPHYSICALEGUVCRADIATIONTREATMENTSMECHANICALACTIONISALSONEEDEDASAMEANSTODISLODGEMICROORGANISMSFROMTHESURFACEOFTHEFOODANDEXPOSETHEMTOTHEACTIONOFTHESANITIZERKIMETAL,20036HOTWATERTREATMENTSHEATPRESERVATIONISONEOFTHEOLDESTFORMSOFPRESERVATIONKNOWNTOMANANDHASTHEPOTENTIALTOPROVIDEBARRIERSTOREDUCEMICROORGANISMSANDINHIBITENZYMEACTIVITY,BUTTHISTREATMENTISINCOMPATIBLEWITHFRESHPROCESSEDPLANTFOODSINCEHEATISASSOCIATEDWITHDESTRUCTIONOFFLAVOUR,TEXTURE,COLOURANDNUTRITIONALQUALITYORSATETAL,2001HOWEVER,HOTWATERTREATMENTSUSEDTOREDUCEORELIMINATEPATHOGENSOFFERANALTERNATIVEMEANSTOCONTROLTHEQUALITYDETERIORATIONOFFRESHFRUITANDVEGETABLES,ASWELLASAMEANSOFENZYMEINACTIVATIONBOLINANDHUXSOLL,1991THESEMILDHEATTREATMENTSCONSISTOFSUBJECTINGTHEPRODUCTSTOTEMPERATURESOF5090CFORPERIODSOFTIMENOTEXCEEDING15MINLOAIZAVELARDEETAL1997REPORTEDTHATDIPPINGLETTUCEINWATERAT4555CWOULDEXTENDTHESHELFLIFEANDVISUALQUALITYOFMINIMALLYFRESHPROCESSEDLETTUCEBYINHIBITINGTHEACTIVITYOFPAL,WHICHISTHEENZYMETHATINITIATESBIOSYNTHESISOFPHENOLICCOMPOUNDSTHATLEADSTOVISIBLEDISCOLORATIONALONGTHECUTEDGEOFTHELETTUCELEAFLPEZGLVEZETAL,1996ADDITIONALLY,LIETAL2001SUGGESTTHATHEAT50CTREATMENTCOMBINEDWITH20MG/LFREECHLORINEFOR90SMAYHAVEDELAYEDBROWNINGANDREDUCEDINITIALPOPULATIONSOFSOMEGROUPSOFMICROORGANISMSNATURALLYOCCURRINGONICEBERGLETTUCE,BUTENHANCEDMICROBIALGROWTHDURINGSUBSEQUENTSTORAGEDUETOTISSUEDAMAGEDELAQUISETAL1999,2000FOUNDAREDUCTIONOF2LOGCFU/GININITIALMICROBIALLOADINLETTUCEWASHEDWITHCHLORINATEDWATER100_L/LAT47CFOR3MIN,COMPAREDTOWASHINGAT4CHOWEVER,IN2004,DELAQUISETALFOUNDTHATCOMPARISONBETWEENLETTUCEWASHEDAT4CAND50CREVEALEDTHATDISINFECTIONOFTHELETTUCEWASIMPROVEDBYHEAT,ALTHOUGHTHEDIFFERENCEINTOTALMICROBIALPOPULATIONSWASONLY1LOGCFU/GTHEAPPLICATIONOFMILDHEATTREATMENTSISCOMMONLYBYUSINGHOTAIR,HOTWATERORSTEAMAMONGTHEM,HOTWATERISTHEEASIESTCONDITIONINGTREATMENTSINCEITOFFERSAGREATFLEXIBILITYANDEASIESTCONTROLBARKAIGOLANANDPHILIPS,1991HOWEVER,ORSATETAL2001HAVEDEMONSTRATEDTHATITISPOSSIBLETOTREATCARROTSTICKSTHERMALLYWITHRADIOFREQUENCYENERGYINLESSTHAN2MINATANINTERNALTEMPERATUREOF60C,TOREDUCETHEMICROBIALLOADBEFOREPACKAGINGWHILEMINIMIZINGTHEDETRIMENTALEFFECTSONTHESENSORYQUALITYOFTHEFRESHLIKEPRODUCTTHEMAINDIFFERENCEINUSINGTHISTREATMENTISTHATINRADIOFREQUENCYHEATING,THEENERGYISABSORBEDDIRECTLYWITHINTHEMATERIAL,THEHEATINGISRAPIDANDUNIFORMTHROUGHOUTTHEMATERIALANDTHETECHNOLOGYISRELATIVELYSIMPLETOADAPTTOANEXISTINGPROCESSINGLINE保持微创新鲜已加工果蔬的微生物和感官质量的新兴技术(英文文献中文译稿)A2A0A1A3A4A5A6A7A8A9A12A13A10A11A14A12A17A15A16A18A19A20A18A21A22A23A24A25A26A27A28A29A30A14A31A32A33A34A35A36A37A40A41A42A13A38A39A43A12A46A44A45A47A48A38A10A49A50A51A39A43A52A53A12A56A54A55A48A57A58A61A62A31A44A59A60A63A64A65A13A66A67A68A69A5A70A71A72A13A75A73A74A15A40A78A76A73A28A72A60A77A26A27A79A80A43A81A82A83A26A27A40A86A84A34A35A36A37A18A85A22A87A88A89A90A44A59A60A61A93A91A40A19A20A36A37A92A94A47A95A96A97A5A98A6A7A12A99A100A101A102A103A104A105A106A107A108A109A110A111A112A113A114A115A116A117A118A119A120A121A122A123A124A125A126A127A128A129A130A131A132A133A134A106A135A136A137A138A124A139A140A141A142A143A144A145A146A123A124A133A147A148A149A150A133A151A152A153A154A106A152A155A156A134A157A158A159A145A146A123A124A160A161A147A162A124A163A164A165A166A167A168A118A169A135A136A170A106A171A172A127A173A174A175A176A149A177A178A179A180A181A124A120A182A183A184A185A186A149A129A187A188A189A190A191A192A193A154A139A194A149A175A142A195A196A120A182A109A99A197A198A189A134A199A200A201A106A202A203A167A195A204A205A122A123A206A173A201A207A149A208A209A210A198A195A211A196A212A213A214A127A175A142A149A215A216A217A198A218A133A219A156A134A142A158A159A124A145A146A123A124A137A138A220A221A222A223A127A201A202A124A224A225A156A134A158A159A184A153A146A226A227A224A228A229A124A230A231A168A232A233A234A235A127A236A189A215A237A238A208A149A239A164A240A241A242A243A244A112A215A196A146A123A234A235A245A154A106A156A246A137A138A127A247A248A249A250A223A251A232A233A106A234A235A104A105A149A125A239A164A240A241A242A184A146A123A147A162A106A252A253A254A255A124A204A0A106A234A50A1A2A3A174A124A149A4A5A6A12A216A7A12A218A8A9A10A124A99A11A13A14A124A15A16A104A105A127A211A196A234A235A245A154A124A243A244A168A224A225A17A149A227A17A113A18A149A229A17A19A20A232A233A234A21A236A237A21A21A22A22A23A124A240A149A229A17A113A24A149A195A254A20A232A242A20A149A243A20A149A244A25A20A149A246A201A20A149A184A247A21A21A236A248A21A21A249A26A251A249A27A28A29A20A106A30A20A240A149A31A32A200A149A33A34A31A35A36A149A37A200A38A39A106A40A41A236A42A59A43A44A1271过氧化氢A229A17A113A24A232A45A46A47A46A240A124A48A198A49A51A168A52A53A18A234A235A152A155A156A134A157A158A159A202A203A124A206A54A55A124A120A182A127A229A17A113A24A168A211A196A122A123A210A198A227A56A57A58A247A60A61A124A149A150A62A63A221A204A0A247A64A132A233A117A127A65A99A190A146A153A66A67A149A208A247A65A190A68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