thermostable beta-xylosidase was purified from immature sugar cane stalks to an electrophoretically homogeneous form by ammonium sulfate fractionation , ion-exchange chromatography on deae-cellulose and p-cellulose columns , heat treatment ( 70 degrees c , 20 min ) and gel filtration on a sephadex g-100 column .
C0011050
deae-cellulose
C0007648
cellulose