Appearance (Colour)
Yellowish white
Appearance (Form)
Fine powder
Activity
min 6000 USP unit/mg powder
Loss on drying
max. 5%
Sulphated Ash
max. 1%
Unit Definition
One USP unit of Papain activity is that which releases the equivalent 1 µg of tyrosine from a specified casein substrate under the conditions of the assay, using the enzyme concentration that liberates 40 µg of tyrosine per mL of sample solution.
Enzyme solution for activity determination
Prepared in 0.06 M phosphate buffer, pH 6.0.
