食品科学与技术(双语)重点

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1、29.Whatarethefinalproductsofwheatwetmilling?Whatabouttheiruses?-mainproducts:starch,66%;湿磨终产物-byproducts:oil,4%;animalfeed,30%,including24%,glutenfeed(PC,21%)and5.7%glutenmeal(PC,60%).Uses:-modifiedstarch;-sweeter;-alcohol;-others30>Whataretheusesofv

2、italgluten?-improvingthetextureandraisingtheproteincontent;-forminganextensible,elasticmass;・fortificationofweekhour;・highproteinbreakmaking;-highfiberbreadmaking;-others,meatproducts,e.g.sausages,breakfastfood.l.Whafsdefinationofoilsandfats?活力粉用途油脂分

3、类Ediblefatsandoilsareestersofthethreecarbontrihydricalcohol,glycerin,andvariousstraightchainedmonocarboxylicacidsknownasfattyacids.2・what'sthemajorandminorcomponentofedibleoilsandfats?Triglyceride;食用油和油脂主次成分Diglyceridemonoglyceridephospholipidssterol

4、cholesteroltocopherolpigments3Whatarethemajorfattyacidsofoilsandfats?油脂主要脂肪酸Palmiticoilsstearicoilsoleiclinoleiclinolenic(Classificationofoilsandfats油脂分类Saturatedmonounsaturatedpolyunsaturated5Jodinevaulehenumberofcentigramsiodineabsorbedbylgofabsorb

5、ed.6.Saponificationvalue:碘值fatorpercentageiodine皂化值theweightinmilligramsofpotassiumhydroxideneededtocompletelysaponify1goffat.7.PeroxideValue过氧化值themilliequivalentsofiodineformedperkilogramoffat.8.AcidValue酸价Themilligramsofpotassiumhydroxideneededton

6、eutralizethefreefattyacidsinlgofafat9.Meatfat:动物油Butterfat、Lard、TallowVegetablefatCanolaCoconutCornCottonseedOlive植物油PalmandPalmKernelPeanutSafflowerSoybeanSunflower10.Thegeneralguidelineforoilseedstorageislowmoisture,lowtemperatureandaeration.11.Oil

7、Extraction:油萃取SeedPreparationRenderingPressingSolventExtraction12.Degumming：脱胶Degummingiscarriedoutbyadding2%watertotheoil.Removephosphslipids13Reflning精炼Refiningusuallyreferstotheremovalofnonglyceridefattymaterialsbywashingtheoilswithstronglyalkalin

8、ewatersolutionsRemoveFreefattyacids.14.Bleaching漂白BleachingistheprocessusedfortheremovalofpigmentsfromtheoilRemovepigments1SeDeodorization除臭Deodorizationistheprocesswherebytheodorsandflavorsoffatsandoilsareremoved,Removevolatilizedgas16.FractionalCry