魚粉、精料補(bǔ)充料及其中肉骨粉含量的近紅外漫反射光譜分析.pdf

1、分類號(hào)密級(jí)’礦773425單位代碼：10019學(xué)號(hào)：B02412飛嚼巖嚏夭等‘學(xué)位論文魚粉、精料補(bǔ)充料及其中肉骨粉含量的近紅外漫反射光譜分析TheNIRSAnalysisofFishMeal，ConcentrateSupplementandMBMContentInside研究指導(dǎo)教師：鹽疊焦蒸控申請(qǐng)學(xué)位門類級(jí)別：墨塋監(jiān)圭專業(yè)名稱：盛主墨壟苧壅貯蕉壬壁研究方向：生塹廈資鎏亞蠱生剖周所在學(xué)院：墨堂睦二零零五年五月AbstractThemea

2、smontoffeedqualityisacrucialtechnicalmethodtocnsurethequalityandsafetyoffeedproductskordertoinvestigatethemethodofⅡearinfraredreflectancespectroscopy(NIRS、technologyforrapidlyanalysisofthechemicalcompositionandmeatandbon

3、e(MBM)contentinfishmealandconcentratesupplement145fishmealsamples，151concentratesupplementsamplesand34meatandbonemeal(MBM)sampleswerecollectedanddeliberatelyadulteratedwithmeatandbonemeal(MBM)inthedifferentproportion(fis

4、hmealat560％，concentratesupplementat057％)thesampleswerescannedattheNIRSregion1000cm“1～4000cm“1Thecalibrationmodelstopredictthechemicaleoupositionandaminoacidinfishmeal、thechemicaleonpositionandgrossenergy、theMBMcontentinf

5、ishmealandconcentratesupplementweredevelopedusingpartialleastsquares(PLS)techniqueTheresultsw自leasfollows：1Thecoefficientofdeterminationincalibration(購ofmomture，crudeproteincrudefat，crudeash，totalphosphorinfishmealwereal

6、loverO90，theRSDalllessthan10％，andtheRPDallover3；theRzofNaClwas08782theRSDandRPDofsaltwere986％and298respectively；theⅣofCalciumwasO7575theRSDandRPDofcalciumwere1781％and214respectivelyTheresultsshowsthatNIRSanalysistechniqu

7、ecouldbeadoptedtocorrectlymeasurethecontentofmoisture，crudeproteincrudefaterodeashandtotalphosphorinfishmeal，andtopredictsaltcontentroughlyHoweveritcouldhardlybeemployedonmeasurementofCalciumcontentinpractice2Thecoeffici

8、entofdeterminationincalibration∞)ofchemicalanalysisvalueandNIRSpredictionvalueofasparticacidmethionine，lysine，threonine，Outemieacidglyeine，alanine，valine，isoleucine，leueine，phenylalanine，∞sinine，pralineandtotalalninoacid

9、wereall0v口O87，theRSDalllessthall10％，RPDallover3；血e形ofTyrosinewas08678，theRSDwas865，theRPDwa$277；the∥forhistidine，serineandeysteinewereO9005，07436and03541respectivelytheRSDwere1419％，17859％and3385％respectivelytheRPDwere296

10、，198and104respectivelyTheresultsshowsthatNIRSanalysistechniquecouldbeusedtomeasurethecontentsof14kindsofaminoacids，suchasasparticacid，methionine，lysine，threonineandtotalelninoacidin鼬mealaccuratelyandtopredictTyrosinecont

11、entroughlyHoweveritcanhardlybeemployedtomeasIlrehistidineserineandcysteinecontentinpractice3Thecoefficientofdeterminationincalibration掣)ofmoisture，crudeprotein，crudefatcrudeashtotalphosphorsaltcrudefiberandgrossenergyinc

12、onceatratesupplementwe∞alloverO90，theRSDaⅡlessthan10％theRPDallover3TheresultsshowsthatNIRSanalysistechniquecouldbeusedtoquantitativelypredictthecontentsofmoisture，crudeprotein，erodefat，crudeash，crudefibertotalphosphorsal

13、tandgrossenergyinconcentratesupplementandagoodmeasuringprecisioncouldbeexpected4TheNIRSquantitativeanalysismodelwasdevelopedformeasuringmeatandbonemeal(MBM)infishmealThecoefficientofdeterminationfIP)andstandarderrors(RMS