Abstract: Hen ovotransferrin (hOTF),a monomeric glycoprotein from hen egg white,has an ability of transporting ferric ion.It was reported that hOTF and its hydrolysates possess antibacterial,antivirus,antioxidant,antitumor and immuno-regulation abilities.The purposes of this study were to evaluate and explore the inner relationship between molecular composition or spatial structure of hOTF and its biological functions.

Key words: hen Ovotransferrin, biological function, molecular composition, spatial structure