《食品专业英语》课件

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1、Lesson3:AMINOACIDSContentsExercisesTextNewwordsQuestionsHomeworkFoodEnglish21Whichnutrientsexistinfood?Protein,Carbohydrate,Lipids,Water,Vitamins,MineralsDietaryfiber(DF)ANSWERis:FoodEnglish3carbon2Whichelementsincludeinprotein?hydrogenoxygennitrogenOccasionally:sulphurFoodEnglish4Howmanyk

2、indsofaminoacidsinprotein?Howmanykindsofessentialaminoacidsinprotein?Theyare???208+1FoodEnglish5Newwords1.amino-氨基的aminogroup氨基-NH2aminonitrogen氨基态氮aminoacidFoodEnglish6-yl基acyl酰基acetyl乙酰基methyl甲基ethyl乙基propyl丙基carboxyl羧基carbonyl羰基group基团FoodEnglish7EXERSICESaminoacylase氨基酰化酶peptidase肽酶car

3、boxymethyl-羧甲基ethylalcohol乙醇tricarboxylicacidcycleFoodEnglish8meta-变化,代谢metabolicadj.代谢作用的,新陈代谢的metabolicrate代谢率metabolicactivity代谢能力metabolicbalance代谢平衡metaboliten.代谢(产)物metabolismn.新陈代谢metabolizev.使代谢,使同化metabolizableadj.可代谢的FoodEnglish92)Newwordsprecursorn.前体；先驱genusn.种类、属generapl.isola

4、tesn.种群mutantn.突变异种substraten.底物ant.终产物：endproductsFoodEnglish10excretevt.排泄；分泌feedback反馈feedbackinhibition反馈抑制FoodEnglish11AminoAcidNeutralNonpolarAminoAcidsGlycine[glaisi:n]GlyGAlanine[æləni:n]AlaAValine[vali:n]ValVLeucine[lu:si:n,-sin]LeuLIsoleucine[aisəu′lu:si:n]IleIPhenylalanine[fenəl

5、΄æləni:n]PhePTryptophan[΄triptəfæn]TryWMethionine[me΄θaiəni:n]MetMCysteine[΄sistii:n]CysCProline[΄prəuli:n]ProPFoodEnglish12NeutralpolarAminoAcidsSerine[΄seri:n]SerSThreonine[΄θri:əni:n]ThrTTyrosine[΄tirəsi:n]TyrYAsparagine[æs`pərædзi:n]AsnNGlutamine[΄glu:təmi:n]GlnQAcidicA.AAsparticacidAs

6、pDGlutamicacidGluEBasicA.ALysine[΄laisi:n]LysLArginine[΄a:dзini(:)n]ArgRHistidine[΄histidi:n,-din]HisHFoodEnglish13Aminoacidsareproducedusingarangeoftechnologiesincludingdirectfermentation,biotransformationofprecursors,extractionofproteinhydrolysatesandchemicalsynthesis.TEXTThefirstparagra

7、phFoodEnglish14Theyhaveavarietyofusesasnutrientsandflavoursinthefoodandfeedindustries.Table1indicatestheannualdemand,productionmethodsandapplicationsofaminoacidsinthefoodindustry.TEXTThefirstparagraphFoodEnglish15Somephrasesflavourenhancer风味加强剂bakingantioxidan