solution, light brown, ≥10 U/mg protein (~25 mg/ml)

powder, almost white, ~12 U/mg

powder, ≥3 U/mg

buffered aqueous suspension, 2× Crystallized, ≥16 units/mg protein

crude powder, 1.5-10 units/mg solid

lyophilized powder, ≥10 units/mg protein

lyophilized powder, aseptically filled; Protein (Biuret):≥80%; ≥8.0 units/mg protein

saline suspension, ≥1.0 units/mg protein (biuret)