《嗜熱嗜酸菌TAB》PPT課件

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1、嗜熱嗜酸菌ThermophilicAcidophilicBacilli：TAB主要內(nèi)容關(guān)于TAB（特性,適宜的生長溫度，pH值.）TAB導(dǎo)致的問題：對飲料的影響（氣味，氧化etc.）檢測TAB方法（怎樣檢測）防治TAB的方法武漢廠TAB檢測現(xiàn)狀及分析（生產(chǎn)低的pH產(chǎn)品的必要知識和信息）在飲料行業(yè)中關(guān)于TAB的研究報告１９８４年Cerny:IsolatedTABfromaccidentproductsofclearapplejuice.１９８７年Darland:GenericlyNamedB.Acidoterrestris.１

2、９９０年Suzuki:FoundRottencannedlowpHcommoditiesodoringinthemarket,reportedD95℃(Decimalreductiontimeat95℃)=2min.１９９１年Niwa:SuggestedKmediumstoisolateTAB,isolatingTABfromimportedjuices.１９９３年Kato:AnalyzedelementsofoffensivesmellscausedbyTAB.Reportedtheprocess;Vanillin→Gua

3、iacol,aldehyde→alcohol”.１９９６年Niwa:DevelopedYSGmediums.２００１年Matsubara:ReportedthewaytodetectA.AcidoterrestriswithPCR.２００３年Niwa:ReportedthewaytodetectTABwithperoxydase.TAB特性1.菌體(寬0.7～1μm,長3～5μm)嗜酸耐熱菌的菌落形態(tài)及顯微形態(tài)TAB特性2.生長溫度范(20～70℃)－最適生長溫度:40～60℃3.生長pH范圍(pH2～6)－最適pH:3.5

4、～4.5TAB來源contaminationfromsoil（andfruits,fructose）SoilSoilSoilSoilSoilSoftdrinksJuiceJuiceHerbMaterialsSoil,Fruits,fructoseSoil,Fruits,fructoseSoil,Fruits,fructoseInJapanFoundFoundFoundFoundFoundNotFoundNotFoundNotFoundNotFoundNotFoundNotFoundNotFoundNotFoundIsolat

5、edfromFrequencySpeciesRareRareRareRareRareRareRareRareRareRareSeveralManyManyTAB簡介１．分類:需氧革蘭氏陽性菌２．特性:芽孢桿菌３．耐熱度:Ｄ９０＞１０min４．生長溫度:20～70℃（適宜:45～60℃）５．生長pH:２～６（適宜r:3.5～4.5）６．代謝物:多種物質(zhì)，多種氣味７．分布：土壤及其他環(huán)境防治飲料中的TAB的方法提高滅菌溫度?UHTsterilization:overF0=1保持原料和商品低溫.現(xiàn)階段我們（供應(yīng)商/運(yùn)輸/儲存）是如

6、何做的？?在10℃以下保存冷凍（目的是什么？）控制氧氣我公司產(chǎn)品的含氧量控制？?Highriskcontainer：PET（mostdangerous）,paper?CanDrinks：ControlSealedOxygen2ml/350ml.（現(xiàn)在產(chǎn)品含氧量）控制每一步條件.?PlanpHofcontentunder3.2（EffectivewithAppleorOrange)我們現(xiàn)在原物料PH：?UseSodiumBenzoate.?Usetheex.fromseedsofgrapesorotherpoly-phenol

7、s.(withdregs)?WeconfirmwhetherodoriswithmultiplicationofTAB.availablemeasuresarespreadtomaterialsuppliersinJapan.TAB的檢測方法嗜熱嗜酸菌TAB的檢測.doc生產(chǎn)低的pH產(chǎn)品的必要知識和信息１．Thepointsinplanningcommodities?WhetherwouldTABgrowup？（ConfirmwithinoculatingPETproducts）?HowistheinfluenceofTAB

8、tothecommodities？（flavor,appearance）?DoesthecontainercontrolO2？（BothPETandPaperaren’tavailable.）?Canwedealasthechilledcommodities？２．Thepointsofco