近紅外光譜技術(shù)在液態(tài)奶質(zhì)量評(píng)定中的應(yīng)用研究.pdf

1、中國(guó)農(nóng)業(yè)大學(xué)碩士學(xué)位論文近紅外光譜技術(shù)在液態(tài)奶質(zhì)量評(píng)定中的應(yīng)用研究姓名：魯超申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：農(nóng)產(chǎn)品加工及貯藏工程指導(dǎo)教師：韓東海劉毅20060601AbstractThethesisexplorestheapplicationofNearinfrarodspectroscopyinmilkqualitycontrol，anddiscussestheprocessstandardizationinqualitatheandquan

2、titativecalibrationIntheaspectofquantitativecalibration，thethesisfocusesollmilkmaincomponents(fat，protein，andlactoseere)inspectionusingtransmittancemethodandreflectancemethodinlongwavenumberrangeandusingCCDtransmittancem

3、ethodinshoNwavenumberrangeandobtainstheoptimalcollectionparametersandtheoptimalpvetreatmentcombinationofthethreemethodsbyPLSmethodExceptthelactoseresultreceivedbythemqlectancemethodandCCDtransmittancemethod，allofthepredi

4、ctedefrogsarelessthan2％，whichcanmeetthedemandoftheinspectionsinpractice，andthemodelshavesuperiorstabilityandadaptabilityIntheaspectofqualitativecal№fion，thethesisstudiesthefeasibilityofreconstitutedmilkidentificationinmi

5、lkBydiscussingtheinfluenceofthedifferentmilkprocessestotheN1Rspectra，itisfoundthattherawmilkandprocessedmilkhavesignificantdifferenceinthe1900nmregion，whichcanbeusedtoidentifythereconstitutedmilkThediscrimihateanalysisca

6、librationisdevelopedbySIMCAmethodandtheresultindicatedthattheaccuracyofdetectionis100％，whenthecontentofreconstructedMi墩isabove20％ThequantitymodelsofreconstitutedmilkalecalibratedbyPattialleastsquaresregression(R穹0971，RMS

7、ECV=776％，RPD=513)Theaccuracyofdetectionis981％foridentifythereconstimtedmilkinpasteurizedmilkAllofthemsuggestedthatNIRShasgoodpotentialtodetectadulterationofrawmilkwithreconsti抽tedmiILKeywords：NIR，CowMilk，RecoustimtedMilk