The previously identified strains Lb. plantarum AC-1, Lb. plantarum B-7 and B. animalis subsp. lactis BFL-9 were grown overnight in MRS broth containing 0.05% (w/v) CYS at
37 °C. The strains were inoculated at 3% (v/v) to a standard concentration of 6.0 log CFU/ml in 300 ml of pasteurized formulations cited in Table 2