北京盈盛恒泰科技有限責任公司是一家專業(yè)從事食品分析檢測儀器和環(huán)境應急檢測儀器的銷售技術支持和售后服務工作公司目前是日本INSENT日本JWP意大利VELP美國FTC德國AIRSENSE德國OWR美國UNITY美國Navas美國FiltationEngineering等世界儀器制造商的ZG區(qū)營銷合作伙伴和技術服務ZX，產品覆蓋食品感官分析食品營養(yǎng)分析食品安全檢測及環(huán)境應急監(jiān)測等公司在香港北京上海廣州成都?？阢y川等地設有分公司和辦事機 Overthepastyears,electronicnose(E-nose)technologyopenedhasenhancedthepossibilityofexploitinginformationonbehavioraromatoassessfruitripeningstage.Theobjectiveinthisstudywastoevaluatethecapacityofelectronicnosetomonitorthechangeinvolatileproductionofripenessstatesfortomato,usingaspeci?celectronicnosedevicewith10differentmetaloxidesensors(portableE-nose,PEN2).Principalcomponentanalysis(PCA)andlineardiscriminantanalysis(LDA)wereusedtoinvestigatewhethertheelectronicnosewasabletodistinguishinngdifferentripenessstates(unripe,half-ripe,full-ripeandover-ripe).Theloadingsanalysiswasusedtoidentifythesensorsresponsiblefordiscriminationinthecurrentpattern?le.TheresultsprovethattheelectronicnosePEN2coulddifferentiateamongtheripenessstatesoftomato.Theelectronicnosewasabletodetectaclearerdifferenceinvolatilepro?leoftomatowhenusingLDAanalysisthanwhenusingPCAanalysis.UsingLDAanalysis,itwaspossibletodifferentiateandtoclassifythedifferenttomatomaturitystates,andthismethodwasabletoclassify1**%ofthetotalsamplesineachrespectivegroup.SomesensorsinE-nosehavethehighestin?uenceinthecurrentpattern?leforelectronicnosePEN2.AsubsetofafewsensorsinE-nosecanbechosentoexplainallthevariance.Thisresultcouldbeusedinfurtherstudiestooptimizethenumberofsensors. 電子鼻-Z傳感器生產商產品