For expressing trypsin inhibitor activity (TIA), units inhibited (TUI), inhibited, and inhibitors have been used. Although the last two are preferred, their calculations in current practices require refinement. With proposed AOCS method Ba 12a-2020, four experiments were conducted, using preparations having specific of 11,625, 12,602, 13,728, 14,926 N?-benzoyl-L-arginine ethyl ester (BAEE) unit...