Ovomucoid Trypsin InhibitorsOvomucoids are the glycoprotein protease inhibitors of avian egg white. There are several protease inhibitors in egg white. The product is that described by Lineweaver and Murray JBC, 171, 565 (1947). It has a molecular weight of approximately 28 kDa. Mucoprotein and antitryptic factor of egg white.