服務(wù)熱線：010-83993593手機(jī)號碼：13810615661
地 址：北京市西城區(qū)廣安門外大街168號朗琴國際大廈B座603室
| Detection of adulteration in camellia seed oilses | ||||||||||||
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| Anelectronicnosewasusedforthedetectionofmaizeoiladulterationincamelliaseed oilandsesameoil.Theresultsofm*riateanalysisofvarianceshowedthatthe sensorsignalsofdifferentkindsofoilaresignificantlydifferentfromeachother.Prin- cipalcomponentanalysisPCAcannotbeusedtodiscriminatetheadulterationof camelliaseedoil,butcanbeusedinthediscriminationofadulterationinsesameoil. LineardiscriminantanalysisLDAismoreeffectivethanPCAandcanbeusedin adulterationdiscriminationforbothcamelliaseedoilandsesameoil.Inordertocheck thediscriminativepowerofLDA,canonicaldiscriminantanalysiswasperformedas well.Acceptableresultswerealsoobtained:Theaccuracyofpredictionwas83.6%for camelliaseedoiland94.5%forsesameoil.TheartificialneuralnetworkANNmodel wasusedtodetectthepercentageofadulterationincamelliaseedoilandsesameoil. Theresultsshowedthat,basedonANNasitspatternrecognitiontechnique,theelec- tronicnosecannotpredictthepercentageofadulterationincamelliaseedoil,butcan beusedinthequantitativedeterminationofadulterationinsesameoil. |
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