The separation and purification of enzymes through foaming.
D000681:Amylases / Q000032:analysis*; D002374:Catalase / Q000032:analysis*; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D006863:Hydrogen-Ion Concentration; D000644:Quaternary Ammonium Compounds; D012965:Sodium Chloride; D013431:Sulfates; D013500:Surface Tension
D000644:Quaternary Ammonium Compounds; D013431:Sulfates; D012965:Sodium Chloride; D002374:Catalase; D000681:Amylases