Appearance (Colour)
Off-white to Pale brown
Appearance (Form)
Powder
Activity
min. 30000 USP units/mg
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.
