Electronic nose technique potential monitoring ma
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overthepastyears,electronicnosetechnologyopenedthepossibilitytoexploitinformationonbehavioraromatoassessfruitripeningstage.theob-jectiveinthisstudywastoevaluatethecapacityofelectronicnosetomonitoringthechangeinvolatileproductionofmandarinduringdifferentpicking-date,usingaspeci?celectronicnosedevicepen2.principalcomponentanalysispcaandlineardiscriminantanalysisldawereusedinordertoinvestigatewhethertheelectronicnosewasabletodistinguishamongdifferentpicking-dateripenessstates.theloadingsanalysiswasusedtoidentifythesensorsresponsiblefordiscriminationinthecurrentpattern?le.theresultsobtainedprovethattheelectronicnosepen2candiscriminatesuccessfullydifferentpicking-dateonmandarinusingldaanalysis.but,electronicnosewasnotabletodetectacleardifferenceinvolatilepro?leonmandarinusingpcaanalysis.duringexternalvalidationusingldawasobtainedtoclassi?ed92%ofthetotalsamplesproperly.somesensorshavethehighestin?uenceinthecurrentpattern?leforelectronicnosepen2.asubsetoffewsensorscanbechosentoexplainallthevariance.thisresultcouldbeusedinfurtherstudiestooptimizethenumberofsensors.
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