title: Removal of  -glucosidase impurity from crystalline sweet-potato  -amylase.
mesh_terms: D000681:Amylases / Q000032:analysis*; D002845:Chromatography; D005959:Glucosidases / Q000302:isolation & purification*; D008722:Methods; D010944:Plants; D013056:Spectrophotometry, Ultraviolet
chemical_list: D000681:Amylases; D005959:Glucosidases