Appearance (Colour)
White to off-white
Appearance (Form)
Powder
Activity
min.100 units/mg powder
Unit Definition
One unit will liberate one micromole of D-glucose from p-nitrophenyl α-D-glucoside per minute at pH 6.8 at 25°C.
Enzyme solution for activity determination
Prepared in 0.067 M potassium phosphate buffer, pH 6.8.
