電子鼻技術與傳統(tǒng)檢測方法在蘋果質量研究中的應用.pdf

1、中國農(nóng)業(yè)大學碩士學位論文電子鼻技術與傳統(tǒng)檢測方法在蘋果質量研究中的應用姓名：張曉華申請學位級別：碩士專業(yè)：農(nóng)產(chǎn)品加工及貯藏工程指導教師：倪元穎20070601AbstractInthispaperwearefocused011evaluationofapplequalitybyanadvancedartificialinteHigentanalysisinstrumcntelectronicIlOseandthetraditionalm

2、ethodsbasedOnapplesoffourp擊naryculfivarsinBeijing：TsugaluofeadiermaturityRedDeliciousandJonaGoldofmediummaturityFujioflatermaturityEachvarietywasharvestedthreetimesandstoredintheloomTheGCFlashelectronicnoseandtraditional

3、methedsphysicalandchemicalmeasurementsandSPMEGC／MSmethodwereusedtoanalyzeharvestdatesshelflivesoftiersandtheireffectsOnapplejuicedaringstorageTheconclusionswereobtsinedbasedOntheaboveresearches：1TheGCHashelectronicnOsewa

4、susedto：(!)establishtheshelflife(SL)modelsofflairsduringstorageandpredictedtheirshelflives；establishthestatisticalqualitycontrol(SO回modelsoffiuitsatdifferenthawestdates(分establishtheprincipalcomponentanalysis(PCA)modelss

5、centfingerprint(sF)modelsofjuiccindifferentvarietiesandsocmodelsofdifferenthaxvestdates；establishtheSFmodelsofjuiceusedfruitsofdifferentstoreddaysascrudematexialszTheresultsofphysicalandchemicalmeasurements(fhnmaespHsolu

6、blesolidcontentandstarchindex)wereusedtoevaluatestoragequalities0ffimitsthroughPCAandtheeffectionsofharvestdatesonstoragequalitieswereanalyzedTheconclusionsⅥ怫I囂consistentwithmodelsestsbfishedbyelectronicBOSe3TheSPMEGCJMS

7、methodWUusedtoanalyzeanddefinecomponentsofapplesandapplejuicewithdifferentvarietiesandharvestdates：(班蚰b，zcdthemajor缸Olflfltaindexesoffruitsindifferentstoreddaysthroughclusteranalysis；analyzedtheeffectionofharvestdatesona