服務(wù)熱線：010-83993592手機(jī)號(hào)碼：13810615661
地 址：北京市西城區(qū)廣安門外大街168號(hào)朗琴國際大廈B座603室
| Evaluation of tomato maturity by electronic nose | ||||||||||||
|
||||||||||||
| overthepastyears,electronicnosee-nosetechnologyopenedhasenhancedthepossibilityofexploitinginformationonbehavioraromatoassessfruitripeningstage.theob-jectiveinthisstudywastoevaluatethecapacityofelectronicnosetomonitorthechangeinvolatileproductionofripenessstatesfortomato,usingaspeci?celectronicnosedevicewith10differentmetaloxidesensorsportablee-nose,pen2.principalcomponentanalysispcaandlineardiscriminantanalysisldawereusedtoinvestigatewhethertheelectronicnosewasabletodistinguishingamongdifferentripenessstatesunripe,half-ripe,full-ripeandover-ripe.theloadingsanalysiswasusedtoidentifythesensorsresponsiblefordiscriminationinthecurrentpattern?le.theresultsprovethattheelectronicnosepen2coulddifferentiateamongtheripenessstatesoftomato.theelectronicnosewasabletodetectaclearerdifferenceinvolatilepro?leoftomatowhenusingldaanalysisthanwhenusingpcaanalysis.usingldaanalysis,itwaspossibletodifferentiateandtoclassifythedifferenttomatomaturitystates,andthismethodwasabletoclassify100%ofthetotalsamplesineachrespectivegroup.somesensorsine-nosehavethehighestin?uenceinthecurrentpattern?leforelectronicnosepen2.asubsetofafewsensorsine-nosecanbechosentoexplainallthevariance.thisresultcouldbeusedinfurtherstudiestooptimizethenumberofsensors. |
||||||||||||
