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无患子种仁油提取工艺优化及其理化性质研究.docx

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无患子种仁油提取工艺优化及其理化性质研究 Title:OptimizationofExtractionProcessandPhysicochemicalPropertiesofKernelOilfromSoapnutSeeds Abstract: Thisresearchaimstooptimizetheextractionprocessforsoapnutkerneloilandinvestigateitsphysicochemicalproperties.Theextractionprocessiscrucialtoensureefficientandhigh-qualityoilextraction.Inthisstudy,differentextractionparameters,suchassolventtype,solvent-to-solidratio,extractiontime,andtemperature,wereoptimizedusingresponsesurfacemethodology.Thephysicochemicalpropertiesoftheextractedoil,includingacidvalue,peroxidevalue,saponificationvalue,iodinevalue,andfattyacidcomposition,weredetermined. Introduction: Soapnut(SapindusmukorossiGaertn.),alsoknownassoapberryorwashingnuts,isatropicaltreenativetoSoutheastAsia.Itproducesfruitscontainingsoap-likecompoundsthathavebeentraditionallyusedforlaundryandpersonalhygienepurposes.Soapnutkerneloil,obtainedfromtheseeds,hasgainedattentionforitspotentialapplicationsinthefood,pharmaceutical,andcosmeticindustriesduetoitshighcontentofbeneficialfattyacidsandbioactivecompounds. Methods: 1.SoapnutSeedPreparation:Soapnutseedswerecollected,cleaned,dried,andgroundintoafinepowderusingagrinder. 2.ExtractionProcessOptimization:Responsesurfacemethodology(RSM)wasusedtooptimizetheextractionprocess.Acentralcompositedesign(CCD)wasemployed,andtheextractionparameters,includingsolventtype,solvent-to-solidratio,extractiontime,andtemperature,werevaried.Theyieldofoilwasconsideredastheresponsevariable,whichwasanalyzedusingDesign-Expertsoftware. 3.PhysicochemicalPropertyDetermination:Thephysicochemicalpropertiesoftheextractedsoapnutkerneloilweredetermined.Theacidvalue,peroxidevalue,saponificationvalue,iodinevalue,andfattyacidcompositionwereanalyzedaccordingtostandardmethods. ResultsandDiscussion: 1.OptimizationofExtractionProcess:TheRSManalysisresultedinanoptimalextractionconditionof40%ethanolasthesolvent,asolvent-to-solidratioof4:1,anextractiontimeof90minutes,andanextractiontemperatureof50°C.Undertheseconditions,thepredictedyieldofsoapnutker