Appearance (Colour)
Pale Yellow
Appearance (Form)
Crystalline powder
Activity
min. 15 units/mg powder
Unit Definition
One unit will convert 1.0 micromole of cholesterol to 4-cholesten-3-one per minute at pH 7.5 at 25 °C.
Enzyme solution for activity determination
Prepared in 20 mM potassium phosphate buffer containing 0.2% BSA, pH 7.0.
