4、olcriteria.Utilizingorthogonaltesttogainanoptimumextractionconditions,basedontheresultofsinglefactoralgorithm. Result Thebestextractionconditionsareasfollows:theextractingsolventisacetone(10V/W),thepoweris300W,theextractiontimeis40min,andtheultrasonicrad