Keywords: OTf, ovotransferrin; cOTf, control ovotransferrin; SMZ–OTf(n), Sulfamethoxazole–ovotransferrin complex (mole ratio); SMB–OTf(n), sulfabenzamide–ovotransferrin complex (mole ratio); T–OTf(n), triclosan–ovotransferrin complex (mole ratio); WT, wild-type Sal