Description 描述：Chromatographically purified as described by Frattali and Steiner, Biochem., 7, 521 (1968). A dialyzed, lyophilized powder. Purity checked using SDS PAGE.Activity/Specification：1 mg inhibits at least 1.2 mg trypsin, Code: TRL网站链接：http://www.worthington-biochem.com/TI/cat.html