METHOD OF STERILIZING ANTIBODY-CONTAINING MILK

摘要

The invention provides a method for removing bacteria from antibody-containing milk that has been expressed from a bovid animal'producing antibodies by sensitization with one or more antigens selected from among pathogens and their metabolic products, characterized in that defatting treatment is followed by filtration using amicrofilter comprising a support and a filter membrane formed from ceramic fine particles, having filtration pores and a thickness between 40 to 150 mu m. The invention also provides a filter sterilization method which maintains the antibody activity of antibody-containing milk while efficiently removing bacteria fromthemilktoanearlyasepticlevel, as well as immunoactivating agents, foods, beverages and the like that comprise antibody-containing milk wherefrom bacteria is removed by the method as an effective ingredient thereof.