Table 5: Composition of various experiments of the central composite design (CCD) for independent variables and predicted and experimental values of responses.

Run no.Sucrose (w/v)Yeast extract (w/v)NaNO3 (w/v)Zn+2 (v/v)Triton X-100 (v/v)Extracellular inulinase (U/mL)Extracellular invertase (U/mL)Biomass mg/mLC/N
ActualPredicted ActualPredicted ActualPredicted ActualPredicted

116.004.001.002.000.501032.231140.221318.671311.7424.2524.512.12.09
216.001.003.002.000.501430.861367.561764.301698.0836.2937.831.51.56
34.004.003.001.001.50219.53123.44458.12461.9519.0016.242.62.65
416.004.003.001.000.50862.46867.01903.05833.4521.1819.062.52.51
516.004.001.001.001.50884.57748.361128.661059.0520.2120.192.42.45
616.001.001.002.001.501332.801297.231395.531416.1434.6134.691.71.63
74.001.003.002.001.501235.411172.111342.991293.5629.0430.752.02.02
84.004.001.002.001.501030.991038.331293.561376.8423.2023.002.22.19
916.001.003.001.001.501402.181366.601621.431625.2635.4034.741.61.61
104.004.003.002.000.50930.16970.301202.201198.6622.4421.602.32.38
114.001.001.001.000.501259.391163.321377.561321.1929.7629.641.91.96
124.002.502.001.501.001282.621490.611382.731404.9730.8133.021.81.60
1316.002.502.001.501.001598.381756.512068.232256.1537.1138.011.41.35
1410.001.002.001.501.002167.922461.752413.592561.1739.3736.801.11.02
1510.004.002.001.501.001904.321976.612352.842415.4238.6944.361.21.03
1610.002.501.001.501.002247.082399.612452.982481.9939.6239.621.00.98
1710.002.504.001.501.001881.452095.042306.642487.7838.0741.181.31.07
1810.002.502.001.001.002259.902619.302496.122684.0440.9646.630.90.73
1910.002.502.002.001.003681.213687.933854.483876.7273.3970.820.10.02
2010.002.502.001.500.502287.322294.042528.362731.0343.1744.440.80.60
2110.002.502.001.501.502383.922743.322677.462684.9443.2945.130.70.64
2210.002.502.001.501.002726.292681.882854.612887.2549.5748.290.60.61
2310.002.502.001.501.002959.092681.883079.772887.2548.6948.290.40.61
2410.002.502.001.501.003166.542681.883105.582887.2552.1648.290.30.61
2510.002.502.001.501.002807.252681.882939.382887.2549.9248.290.50.61
2610.002.502.001.501.003214.722681.883297.572887.2553.5548.290.20.61