Development of a new lysozyme adding technology in infant formula.

The technology of adding lysozyme to infant milk formula was studied in this research. Lysozyme was respectively added into the infant milk before homogeneous,sterilization,spray drying and after spray drying. Then the bacteria total numbers of the samples was determined respectively after one-day,15-day,30-day,and 60-day storages. The results showed that both the adding time and dosage of lysozyme affected antimicrobial properties of the product and the best adding mode and dosage of lysozyme were adding after spray drying and 500 mg/L,respectively.