冷凍干燥牛初乳粉生產質量控制技術及牛初乳活性IgG熱變性保護劑的研究.pdf

1、分類號：密級：y939350單位代碼：學號：飛哦茬≮夭等學位論文10019S030634冷凍干燥牛初乳粉生產質量控制技術及牛初乳活性IgG熱變性保護劑的研究StudyonIndustrialTechnologyofQualityControlotFreezeDryingBovineColostrumsPowderandtheT、hermalProtectantsoftheBovineColostrumsImmunoglobulinagG

2、)研究生：韭建凝指導教師：矍丞鏖塾援臺作指導教師：盜盎園4高工申請學位門類級別：工堂亟士專業(yè)名稱：一盒晶抖堂皇工程研究方向：直拯亡曼直且蘭l功塹遺性2所在學院：盒品型堂皇萱差圣捏堂隧～2006年6月AbstractTheindustrialtechnologyofqualitycontrolandfunctionalpropefliesofbovineskimmedcolostmmspowderwerestudiedinthispape

3、rWe’dcomparedthepropertiesofbovineskimmedcolostrumsunderdifferentsterilizationtreatmentsandindifferentpositionsinvacuumfreezedryingstorehousesThecompoundthermalproteetantswerealsostudiedinthepaperWefoundabeaerwaytoimprov

4、ethethermalstabilitiesofbovineskimmedcolostrumsTheprimaryresultsareasfollows：TheBovineskimcolostrumsindifferentlactationperiodwereinvestigatedTheresultshowstheskimcolostrumswithin3dayshasmostpotentialdevelopingvolume，and

5、theacidit5specificgravityproteinandIgGcontentsofBovineskimmedcolostrumschangedgreatlyTheregressionequationbetweenspecificgravity(G)’acidity(A)，protein(P)andIgG(I)contentsofbovineskimmedcolostrumsandthefrequencyofmilking口

6、，T1，2，3，4，5，6，7，8，9)afterthecalvesbornarefollowing：G=00004T200086T10733A：03853112—7675T64434P=02033112—35208T20602I=07224T2—12929T60957ThemicroorganismandIgGindexesofthebovineskimmedcolostrumswereanalyzedduringthepasteur

7、izationandfxeezediyingtechnologyThepasteurizationof70～72“C，lmincanachievebettersterilizingeffectsandlgGactivationthanthepasteurizationof6365“C，30min&7072“C，3minDifferentlgGactivationswerefoundofthedifferentlevelinthefree

8、zedyingehamberThepowdersonthesuperstratuminthechambershavebettercharactersoflowmicroorganismcontentsandhighIgGlevelUnderthethermaltreatmentof75“C，5min，theregressequationbetweentheresiduesofigC(V1)andglycin(xo、sucrose岱2)、

9、Manitol(X3)is：X一4404748XI250X2526墨309X；475XlX2一1SXlX3—593X22475X2墨一470X；Underthethermaltreatmentof80“C，30s，theregressequationbetweentheresiduesofIgGfY2)andglycin(xo、sucrose()(2)、mannitol岱3)is：：Xt7284475K313X2387Kt408X；一3

10、88XlX2—088Xtx3—370X2o63X2X3—264X；Theprotectiveeffectsofglycin，sucroseandmannitolonthethermaldenaturationprotectantsofthebovineskimmedmilkimmunoglobulinGwerestudiedbycentralcomposite，uniformprecisionresponsesurfacedesignT

11、hecontentsoftheactivelgGweremeasuredbyagardoubleimmunodiffusonTheregressionequationoftheactiveIgGresiduewiththeglycin，SUCrOSeandmannitotwasestablishedandtheinfluencesoftheglycin，sucroseandmannitolontheactivelgGresidueswe

12、reanalyzedThebettercompoundthermalprotectantswere刨ycin3％，sucrose3％，andmannitol4％TheordersoftheircontributiontotheactiveIgGresiduesare：glycinmannitolsucroseKeywords：skimmedcolostrums，IgG，thermaltreatment，thermalprotectant