草魚粒休閑食品延長貨架期的研究.pdf

1、江南大學碩士學位論文草魚粒休閑食品延長貨架期的研究姓名：孫紅男申請學位級別：碩士專業(yè)：農產品加工及貯藏工程指導教師：張慜20090701AbsractAbstractInthispaperbloatedfishwasusedasmaterialstoproducegrasscarptidbitthoughaseriesofprocesssuchasdesalinationdrying，cutting，fryingandseasoning

2、Accordingtosterilizationtechnologyandanticorrosiontechnology，thecombinedtreatmentwascarriedoutbasedonensuringthequalityofgrasscarptidbitandcontrollingthetotalbacterialcountunder3xlO耳cfu／g，andtheEcoldisnegativeCompositepr

3、oportionofnipaginesterswasfoundtobebetterantibacterialeffectinsteadoftraditionpreservativepotassiumsorbateAtthesametimetheshelflivesofthefishtidbitproductwithdifferentcompositebacteriostaticagentswereestimatedaccordingto

4、acceleratedtestGrasscarptidbitwassterilizedbymicrowave—ultravioletcombinedtreatment耽egermicidalefficaciesatthedifferentmicrowavepowers，workingtimes，loads，ultravioletvoltages，ultravioletdistances，andultravioletworkingtime

5、wereanalyzedinthesinglefactorexperiments碭eoptimalsterilizingconditionwas：microwavepower4214彤microwaveworkingtime25sandtheultravioletvoltage220V111eantibacterialeffectsofbutylP—Hydroxybenzoate，nheptylPhydroxybenzoateweref

6、oundtobesignificantinthestudiesofsignlenipaginestersInthestudiesofdifferentconcentrationsbacteriostaticagents，antibacterialeffectofshortchainnipaginesterswasmoresusceptiblethanlongchainnipaginestersInthecompositeantibact

7、erialeffectstudiesoftwoorthreekindsofnipaginesters，thebestbacteriostaticeffectwasfoundwhenthepropylparaben，butylPHydroxybenzoate，nheptylP—hydroxybenzoateweremixedat1；1：1ratioandthemixedconcentrationwas02％oofthefishtidbit

8、111eshelflivesofgrasscarptidbit、析tllcompositebacteriostaticagentsweremeasuredintheacceleratedtestsBasedontheaspectofmicroorganism，theshelflivesofthreecompositebacteriostaticagentswerepredictedtobe375449，396a：83，423463dco

9、rrespondinglyTheshelfliveswereobtainedtobe38347352，41848937，43648215drespectivelybymeasuringtheAVandPOVofthegrasscarptidbitandbuildingregressionequationat25℃Keywords：grasscarptidbit；microwave；ultraviolet；combinedtreatmen