资源描述：
《qualitycontroloffruitjuicesbyusingorganicacidsdeterminedbycapillaryzoneelectrophoresiswithpoly(vinylalcohol)-coa》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、FoodChemistry188(2015)596–603ContentslistsavailableatScienceDirectFoodChemistryjournalhomepage:www.elsevier.com/locate/foodchemAnalyticalMethodsQualitycontroloffruitjuicesbyusingorganicacidsdeterminedbycapillaryzoneelectrophoresiswithpoly(vinylalcohol)-coat
2、edbubblecellcapillariesMaríaNavarro-Pascual-Ahuir,MaríaJesúsLerma-García,ErnestoF.Simó-Alfonso,JoséManuelHerrero-Martínez⇑DepartmentofAnalyticalChemistry,UniversityofValencia,C.DoctorMoliner50,E-46100Burjassot,Valencia,SpainarticleinfoabstractArticlehistory
3、:Anenhancedmethodforthedeterminationoforganicacidsinseveralfruitjuicesbycapillaryzoneelec-Received15December2014trophoresis(CZE)withdirectUV–Visdetectionhasbeendevelopedinthiswork.First,astudywithsim-Receivedinrevisedform25March2015ulatedrealjuicesampleswas
4、donetofindthebestseparationconditions.Next,severalcommercialfruitAccepted13May2015juiceswereanalyzed,andtheorganicacidcontentswerequantifiedinlessthan12minusingapoly(vinylAvailableonline14May2015alcohol)-coatedfused-silica‘bubblecell’capillary.Thepresentmetho
5、disreliable,fastandprovides1detectionlimitscomprisedbetween0.1and2.5lgmL.Moreover,differentchemometrictechniques,Keywords:basedonCZEdata,wereexamined.LineardiscriminantanalysisallowedthedifferentiationoffruitjuicesFruitjuiceaccordingtothefruittype,whereasm
6、ultiplelinearregressionmodelspredictedthepercentagesofCZEOrganicacidorangeandpineapplejuicesinbinaryblendswithgrape.Thus,thepresentmethodologyisofutmostQualitycontrolinterestforroutineandqualitycontrolpurposesinfoodindustries.LineardiscriminantanalysisÓ2015
7、ElsevierLtd.Allrightsreserved.Multiplelinearregression1.Introductionnumberofcompoundsthatmaybefromonechemicalfamilyorfromdifferentfamilies(Jandricetal.,2014),suchascarbohydratesThefruitjuiceindustryisoneofthefastestgrowingsectorsof(Kelebek,Selli,Canbas,&Cab
8、aroglu,2009;Muntean,2010;Standertheworldwidebeverageindustry.Fruitjuices,whicharewidelyetal.,2013),phenoliccompounds(Díaz-García,Obón,Castellar,consumed,areanimportantpartofthehumandiet,andhaveCollado,
