3、torsthataffectedethanolextractionofcurcuminincludedconcentration, theratio of material to solventandtemperature.Ultrasonicassistedextractionofcurcuminmethodhassimpleoperation,highextractionefficiencyetc.theresearchindicatedthatthefactorsaffectedextractionincludedethanolconcentration,tim
4、eandpower.Onthebasisofsinglefactorexperiment,thebestconcentrationandtemperatureofethanolextractionare70%and60℃,andtheratio of material to solventis1:20.Thebestpowerandtimeofultrasonicassistedmethodare300Wand60min,andtheethanolconcentrationis80%.Keywords:curcumin;ethanolextraction;ultras