Figure 1. Mathematical simulation of three uncontrolled batch fermentation of free cell Bifidobacterium animalis subsp. lactis Bb 12 in various media according to Table 1. Calculated data (continuous lines), experimental data: biomass concentration (●), lactic and acetic acid concentration (∆), lactose concentration (□), (a) LCWP, (b) MCWP and (c) HCWP.