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超临界CO_2萃取辣椒籽油的动力学研究(英文).docx

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超临界CO_2萃取辣椒籽油的动力学研究(英文) StudyonKineticsofSupercriticalCO2ExtractionofCapsaicinSeedOil Abstract: Inthisstudy,supercriticalCO2extractiontechnologywasusedtoextractcapsaicinseedoil.Theeffectsofextractiontime,extractiontemperature,pressure,andparticlesizeontheyieldofcapsaicinseedoilwerestudied.TheexperimentalresultswerefittedbymathematicalmodelstoobtainthekineticsofsupercriticalCO2extractionofcapsaicinseedoil.Theobtainedkineticmodelscanguidetheoptimalextractionofcapsaicinseedoilandprovideabasisforindustrialapplication. Introduction: Capsaicinisanimportantspicyingredientinmanyfoods.Capsaicincontainsavarietyofbeneficialcomponentsforhumanhealth.Capsaicinseedoilextractedfromcapsaicinseedsisavaluableproductthathasreceivedincreasingattentioninrecentyears. SupercriticalCO2extractionisagreenandefficientextractiontechnologythathasbeenwidelyusedintheextractionofnaturalproducts.Comparedwithtraditionalsolventextractionmethods,supercriticalCO2extractionhastheadvantagesofhighextractionefficiency,mildextractionconditions,andnotoxicresidue. Inthisstudy,weaimedtoinvestigatethekineticsofsupercriticalCO2extractionofcapsaicinseedoil.Theeffectsofvariousparametersontheextractionyieldwerestudied,andmathematicalmodelswereestablishedbasedontheexperimentalresults. ExperimentalMethods: CapsaicinseedoilwasextractedusingsupercriticalCO2extractionequipment(modelSCCO2-60L,JilinUniversity)atdifferentextractiontimes,extractiontemperatures,pressures,andparticlesizes.Theyieldofcapsaicinseedoilwasmeasuredbyweighing.Thedatawerefittedusingthefollowingkineticmodels: -First-ordermodel -Yangmodel -Luikov'smodel ThekineticsofsupercriticalCO2extractionofcapsaicinseedoilwereanalyzedbasedontheexperimentaldataandtheestablishedmodels. ResultsandDiscussion: Theexperimentalresultsshowedthattheyieldofcapsaicinseedoilincreasedwiththeextractiontime,extractiontemperature,andpressure.Higherpressureandtemperatureledtogreaterextractionefficiency.Theparticlesizealsohadasignificanteffectontheyieldofcapsaicinseedoil,andtheoptima