不同菌种组合对酸奶品质的影响研究

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

2015,Vol.18,No.2:,、,,。,(、),。:;;TheEffectsofDifferentGroupsofBacteriatoYogurtHUDou1,LINFeng-ying2,LIANGZuan-hao2,LIUYu-bing3,DUBing2*(1GuangdongExperimentalHighSchool,Guangzhou510375,China;2CollegeofFoodScience,SouthChinaAgriculturalUniversity,Guangzhou510642,China;3GuangzhouDnjoyBiotechnologyCo.,Ltd.,Guangzhou510642,China)Abstract:Thisresearchhasperformedtostudytheeffectofco-cultureofdifferentprobioticsbacteriacombinationonthequalityofyogurt.TheBacilluscoagulanswasinoculatedintomilkaloneorwithdifferentlacticacidbacteriasuchasLactobacillusbulgaricusandStreptococcusthermophiles,LactobacillusplantarumandLactobacillusrhamnosus,respectively.Thedeterminationoftexture,pHandsensoryevaluationofthefermentedyogurthasbeenconducted.Wefoundthatco-cultureofthecombinationofBacilluscoagulanswithLactobacillusbulgaricusandStreptococcusthermophilustobetheacceptedone,whichturnedouttobesimilartoyogurtsatpresentmarkets.Keywords:yogurt;fermentation;probiotic:TS252.54:A:1007-7871(2015)02-0013-04:2015-03-06:(1995—),,。E-mail:798889596@qq.com:(1973—),,,。1,2,2,3,2*151037525106423510642[1]。、。。、、、、pH[2]。。11.1、※132015,Vol.18,No.2、、。1.2EZ-SXS/N697113HIRAYAAMA。1.31.3.1110g10g10g1g2g0.5g1000mL。pH7.032℃110~120r/min24h。2∶=1∶1MRS。pH6.332℃18~24h。1.3.2∶=1∶86%→20~25MPa→95℃15min→35℃→→43℃→4℃12h1。1Table1Yogurtbacteriausedintheexperiment1∶=1∶1)4%2∶∶=1∶1∶2)4%34%4∶∶=1∶1∶1)4%1.41.4.1GB5413.34—2010《》10.000g0.001g150mL20mL0.1000mol/LpH8.3。°TX=c×V×100m×0.1X—°Tc—mol/LV—mLm—g0.1—mol/L。。1.4.2TPATextureProfileAnalysis。2.0mmPs0.5mmPs2.0mmPs10mmP0.5DIACylinderEbonite0.5。、。。1.4.38《》、2。2(100)Table2Thequalityevaluationstandardofyogurt(100points)(10)、10~88~66~4、,4~0(40),40~3535~2020~1010~55~0(50)、、、50~40、、、40~30、、、30~20、、、20~10、、、、10~0※142015,Vol.18,No.222.111270°TGB19302—20103470°T60~65°T30~40°T。34℃1338%10%。[3]80~110°T、。12。34。1009080706050403020/°T1471013/d×××××▲▲▲▲▲▲×12341Fig.1pHvalueschangesofyoghurtwiththefermentationtime12、34、。2.2214、230。131、2、44。[4]。31。0.000350.00030.000250.00020.000150.00010.00005012341132Fig.2Yoghurtviscositychangeswiththefermentationtime16h210h3414h2.33Table3sensoryscoreofdifferentfermentedyogurt1,、,、、、932,、,、、903,,254,,,、7913d。1、23412。32、、1。※152015,Vol.18,No.2、。、“”。《》。《》380%~98%。99.999%。“”。2015-03-30、、、。、。EuropeanFoodandFeedCulture-sAssociationEFFCAInternationalDairyFederationIDF“Inventorymicroorganismswithdocument-edhistoryofuseinhumanfood”1996GRAS[5]GanedenBiotechGBI-306086FDAGRSA2007EuropeanFoodSafetyAuthorityEFSAQualifiedPre-sumptionofSafetyQPS[6]“”[7]GanedenBC30GBI-30608[8]。、、、、、。:[1]M.N.DEOLIVEIRA.Fermentedmilksandyogurt[J].EncyclopediaofFoodMicrobiology(secondedition),2014:908-922.[2],,,.,[J].2010(1),31:292-294.[3],.[J].,2002,30(1):25.[4],,.[J].,2009,1:46-50.[5]EFFCA/IDF.InventoryofMicroorganismswithadocumentedhistoryofuseinfood[E].IDFBulletin377,2002.[6]EuropeanFoodSafetyAuthority.ScientificOpiniononthemaintenanceofthelistofQPSbiologicalagentsintentionallyaddedtofoodandfeed(2013update)1,EFSAJournal2013;11(11):3449.[7].[E],2004.[8].(GBI-30,6086)[DB/OL].http://news.40777.cn/htmlnews/1362/1362922.htm,2013-10-17.※!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!16

1 / 4
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功