title: Purification of beta-galactosidase by large-scale gradient elution ion-exchange chromatography.
mesh_terms: D001230:Aspergillus / Q000201:enzymology; D002850:Chromatography, Gel; D002851:Chromatography, High Pressure Liquid; D002852:Chromatography, Ion Exchange; D002853:Chromatography, Liquid; D005696:Galactosidases / Q000302:isolation & purification*; D001616:beta-Galactosidase / Q000302:isolation & purification*
chemical_list: D005696:Galactosidases; D001616:beta-Galactosidase