3、haracteristicsoftheindustryoflowcost,highextractionefficiency,themainfactorsthataffectedethanolextractionofcurcuminincludedconcentration, theratio of material to solventandtemperature.Ultrasonicassistedextractionofcurcuminmethodhassimpleoperation,highext
4、ractionefficiencyetc.theresearchindicatedthatthefactorsaffectedextractionincludedethanolconcentration,timeandpower.Onthebasisofsinglefactorexperiment,thebestconcentrationandtemperatureofethanolextractionare70%and60℃,andtheratio of material to solventis1: