Optimization of Milk-Based Medium for Efficient Cultivation of Bifidobacterium pseudocatenulatum G4 Using Face-Centered Central Composite-Response Surface Methodology
Figure 2
Response surface plot of the effect of skim milk and yeast extract concentration (% wt/vol) for the responses of (a) β-galactosidase production (U/mL), (b) lactose residual (g/L), and (c) free amino nitrogen residual (mg/L) at 21 h of cultivation period.