大豆蛋白的電化學(xué)分離提取技術(shù)及提取物的功能特性.pdf

1、Y938632分類號：密級：單位代碼：學(xué)號：’，回聲學(xué)式等碩士學(xué)位論文10019S04D716大豆蛋白的電化學(xué)分離提取技術(shù)及提取物的功能特性Studyontheelectro—chemistryseparationandextractiontechnologyofsoybeanproteinandthefunctionalpropertiesofproduction研究生：指導(dǎo)教師：申請學(xué)位門類級別：專業(yè)名稱：研究方向：所在學(xué)院：一盅艷

2、姿一———』Ⅱ匝堂一教援——王堂巫_主塑魚j池匿生埴麴蛋旦王籃一一—蛋自廈地王董型廈魚品姓堂量營羞王猩堂墮二零零六年六月AbstractDuringthealternationsofSoybeanProteinIsolatesprocedures，thealkaliextractionandacidificationmethodconsumestoomuchacidandalkaliandhighlycoststOdealwithwhe

3、ysolution；themembraneseparationtechnologyhasfatalproblemsintheequipmentscostandmembranepollution；bipolarmembraneelectro—acidificationwhichstillininitialdevelopmentalstagesneedstoocostlinessequipmentstealizeindustrializat

4、ionThisresearchinvestigatedtheinfluencingfactorandmechanismofproteinagglomerationbyelectrochemistrymethod，estimatedtheprocedureandpropeniesofproduction，andconsequentlyprovidedatheorybaseforagreenSPIproductiontechnologywi

5、thcharacteristicsoflessenergyconsumption，environmentfriendlyandresourcereuseEffectsofcurrentintensityionicconcentration，proteinconcentrationandelectrodedistanceonproteinagglomerationwerestudiedbydeterminingthesolubilityp

6、roteincontentofthesolutionindifferentelectrifyingtimewithaselfregulatingelectrobathResultsshowedthattheoptimaltechnicalparametersofproteinagglomerationwere：12100mA，Im210mM，TDS=500m驢，L230mmTheproteinRelativelyAgglomeratio

7、nRatecouldachieve714％byadoptingtheoptimalparametersandelectrifyingfor4hoursProteinagglomerationmechanismwasstudiedTheresultsindicatedthatalltheagglomerateproteinproducedfromanode，displayedwholesoybcanproteinfractionsandp

8、ossessedreversibilityofprecipitatinganddissolvinginacidoralkalienvironmentWhenelectrifyingtheanodesolutionkeptitspHvaluenearthesoybeanglobulinpI，andobtainedalocalagglomerationrateof886％whichwascomparablewithchemistryacid

9、ificationWheysolutionwhichhadsubjectedtochemistryacidificationcouldnotproduceagglomerateproteinwhenfllrlherelectrif)7edTheproteinmigratedfromlowconcentrationtohigherconcentrationItcouldbeconcludedthattheproteincontinuous

10、lymigratedtoanodeandwaselectro—acidificationTheresultsoftechnicsandproductionfunctionalpropertiesevaluationshowedthatelectro—agglomerationproteinproductionhadadvantagesonemulsifying，waterholdingandfatholdingcapacityoverc

11、hemistryacidificationproduction，andtheenergyconsumptionwasO625kWh／kgSPIAsthewheysolutionwaspHneutralandreservedlargeamountsofremnant羽obulin，itcouldbereusedinalkaliextractionprocedureKeywords：electrochemistryagglomerateme