1、江南大學(xué)碩士學(xué)位論文聚甘油脂肪酸酯的制備及其蛋糕用粉末乳化劑的研究姓名：方萬新申請學(xué)位級別：碩士專業(yè)：食品科學(xué)指導(dǎo)教師：馬曉軍20090701：!!竺苧!!——————————————————————————————一?！籄bstractTllisdissenationcovers：preparationofpolyglycerolfattyacidestercomp

2、lexofemulsifierbasedonpolyglycerolfattyacidesterandextrusionofthecomplexandstarch盯a11ulesbyTwinscrewextruderfinallyapplicationincakepremixpowderTherearetllreestepsforpreparationofpolyglycerolfattyacidester：polymerization

3、moleculardistillation，polyglycerolesterificationThedissertationoptimlzedprocessp舢eters0fpreparationofpolyglycerolfattyacidester：2％NaOHisaddedasaca協(xié)lystat265degreesduringpolymerization；Moleculardistillationisprocessedunde

4、rpressWe5P如170“Catl30rpm；Inpolyglycerolesteriftcationproportionoffattyacidandpolyglycerol1s55：45(w／1吶，雒dproportionof14carbonicacidand18carbonicacidis1：4(w／如)，metemperatureis230“CThedissertationstudiedfeaturesofthepolyglo

5、erolestersoffattyacidsandcompareditwitllotllerdomesticproductsEmulsifierandamylosecombinationcapabilityWasstudiedbYtheiodinevalueblue；emulsifier’sinfluenceoncakequalitywaslearnedthroughcakequality鋤dstrudⅫreevaluation；emu

6、lsifiermixingproportionWasoptimizedviaorthogonaltestofemulsifterproponionispolyglyeerolester16；Moleculardistillationglyceride08；Sueroseester04：Acy，lationstearicacidsodium055；Sodiumcarboxymethylcellulose018111edissertatio

7、nalsostudiedextrusionprocessparametersinfluenceOnemulsiliefq眥li戧thoseparametersincludeTwin—screwextruderscrewspeed，extmslonteⅡ1p咖andmoi陽lrefeedadditives，differentcarrier，thecarrierofdifferentquantityofgrandatingextmsion：

8、Innuencew嬲measuredthroughmicro。structureelectronicscannlng，bestpar鋤etercombimtionis：japonicastarchascarderaccountingfor70％，screwspeed130rpm，3stepex觚siontemperaturefor85。C一65“C45“C，water2％，feedspeed4kg／hEmulsifiermadeunde

9、raboVeprocessshowedgoodemulsificationandvesicantcapabilityandstablequalitywhichnoobviousqualitychangeafter3monthsstorageundernom2Ll鋤blemSelfmadeemulsifierwasusedforone—stepeggstirprocessstudycompanson蛐tradditionalmultist

10、epeggstirprocessbedone；thereishighrequirementonVeslcantcapabilityofemulsifierforonestepeggstirprocess，selfmadeemulsifierCanmeetthisrequirement，canbeusedasemulsifierofcakepre_mixpowderKeywords：T晰nscrewextruder；cakepremixp