微生物与发酵食品资料ppt课件.ppt

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1、Chapter9microbeandfermentedfoodsFermentedfoodsFermentedfoodsismadefromthematerialafteraseriesofidealandimportantbiochemicalandphysiologicalchangescatalyzedbytheenzymeproducedbythemicrobessuchasbacteria,yeastandmould.definitionFoodsfermentedbybacteriaLact

2、obacteriumanditsfermentedproductsLactobacteriumandfermenteddairyproductsBacillussubtulis(natto)andnattofermentationSectionALactobacteriumanditsfermentedproductsLacticacidbacteriaisagroupofbacteriathathastheabilitytoconvertfermentativecarbohydratesintolac

3、ticacid.LacticacidfermentationtypesHomolacticfermentationmorethan90%metabolitesarelacticacid,Heterolactatefermentation,otherproductssuchasethanolandCO2maybeformedBifidumpathwayMicrobesinheterolacticfermentationLeuconostocmesenteroides(肠膜明串珠菌)Lactobacillu

4、sbrevis（短乳杆菌）Lacmanitopoeum（甘露醇乳杆菌）Sauerkraut（泡菜）andmicrobes微酸阶段酸化成熟阶段过酸阶段LactobacteriumandfermenteddairyproductsYogurtCheeseAcidiccreamAcidicbuttermilkAcidophilebacteriamilkkefirBasictechnicsforyogurtPurchasingofmaterialmilk原料乳收购Qualityexaminationandsta

5、ndardizesterilization配料mixinghomologonizationInnocullatingfermentationrefrigerationQualityexaminationLeavefactoryBacteriausedintheyogurtfermentationStreptococcusthermophilusLactobacillusbulgaricusLactobacillusaciditicphilusBifidobacteriumBacillussubtulis

6、(natto)andnattofermentationChoicenessofsoybeans精选大豆Marinatingandtrickle浸泡，沥干Steamingandboiling蒸煮coolingNattoInnoculationfermentationPlacedat4℃for1daynattoFungifermentedfoodMouldsandfermentedbeancurdFungifermentedfoodMouldsandthickbroad-beansauceandfermen

7、tedsoyabeansFungifermentedfoodRhizopusoligosporus（少孢根霉）andTempeh（丹贝）fermentationFungifermentedfoodAspergillusandteafermentationMicrobesthatdirectlyusedasfoodSpirulinamorphologicalfeaturesfeaturesofbiochemicalcompositionhealth-carefuntion保健Microbesthatdir

8、ectlyusedasfoodSingleCellProtein（SCP）1.definition2.materialandmicrobesfortheproductionofSCPMicrobialpolysaccharideXanthan（黄原胶）Dextran（右旋糖酐）Scleroglucan（小核菌葡聚糖）Pullulan（短梗霉多糖）Curdlan（热凝多糖）Mushroompolysaccharide（食用菌多糖）Microb