water; α-D-galactosidase 48 h; Ambient temperature;

1: 1.) sodium borohydride; 2.) Amberlite IR-120 (H+) resin / 0.58 h / pH=9 2: 1.) 0.01 M NaIO4; 2.) sodium borohydride, Amberlite IR-120 (H+) resin / 1.) 2 h, 4 deg C, ethylene glycol, 1 h room temperature; 2.) pH=9 3: 1 M trifluoroacetic acid / 18 h / Ambient temperature 4: hydrolysis View Scheme