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| Electronic nose technique potential monitoring ma | ||||||||||||
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| overthepastyears,electronicnosetechnologyopenedthepossibilitytoexploitinformationonbehavioraromatoassessfruitripening stage.theob-jectiveinthisstudywastoevaluatethecapacityofelectronicnosetomonitoringthechangeinvolatileproductionofmandarin duringdifferentpicking-date,usingaspeci?celectronicnosedevicepen2.principalcomponentanalysispcaandlineardiscriminant analysisldawereusedinordertoinvestigatewhethertheelectronicnosewasabletodistinguishamongdifferentpicking-dateripeness states.theloadingsanalysiswasusedtoidentifythesensorsresponsiblefordiscriminationinthecurrentpattern?le.theresultsobtained provethattheelectronicnosepen2candiscriminatesuccessfullydifferentpicking-dateonmandarinusingldaanalysis.but,electronic nosewasnotabletodetectacleardifferenceinvolatilepro?leonmandarinusingpcaanalysis.duringexternalvalidationusingldawas obtainedtoclassi?ed92%ofthetotalsamplesproperly.somesensorshavethehighestin?uenceinthecurrentpattern?leforelectronicnose pen2.asubsetoffewsensorscanbechosentoexplainallthevariance.thisresultcouldbeusedinfurtherstudiestooptimizethenumber ofsensors. |
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