Table 8 Optimization results from an exploration within the hypersphere with a radius of 2

X1 X2 X3 X4 Distance from the origin Predicted maximum Log(CFU) Peptone (g/L) Glucose (g/L) Yeast extract (g/L) Magnesium sulfate (g/L)
0.13 –0.24 1.94 –0.4 1.9995 9.3314 2.31 12.32 19.7 0.8