Table 5 Analysis of variance (ANOVA) of CDD for α-amylase optimization
Source | Sum of squares | df | Mean square | F value | P-value | |
|---|---|---|---|---|---|---|
Prob > F | ||||||
Model | 38186.51745 | 14 | 2727.60839 | 70.054732 | < 0.0001 | Significant |
A-(NH4)2SO4 | 724.2410667 | 1 | 724.2410667 | 18.60109905 | 0.0006 | |
B-glucose | 392.0416667 | 1 | 392.0416667 | 10.06903117 | 0.0063 | |
C-MgSO4 | 1084.60815 | 1 | 1084.60815 | 27.85661371 | < 0.0001 | |
D-Peptone | 2.34375 | 1 | 2.34375 | 0.060195877 | 0.8095 | |
AB | 56.25 | 1 | 56.25 | 1.444701039 | 0.2480 | |
AC | 15.015625 | 1 | 15.015625 | 0.385654916 | 0.5439 | |
AD | 3530.142225 | 1 | 3530.142225 | 90.66666917 | < 0.0001 | |
BC | 154.132225 | 1 | 154.132225 | 3.958666411 | 0.0652 | |
BD | 30.747025 | 1 | 30.747025 | 0.789693493 | 0.3882 | |
CD | 1560.25 | 1 | 1560.25 | 40.07279638 | < 0.0001 | |
A^2 | 8940.010671 | 1 | 8940.010671 | 229.6114259 | < 0.0001 | |
B^2 | 6423.9021 | 1 | 6423.9021 | 164.9887651 | < 0.0001 | |
C^2 | 10078.38107 | 1 | 10078.38107 | 258.8488464 | < 0.0001 | |
D^2 | 17375.06679 | 1 | 17375.06679 | 446.2538141 | < 0.0001 | |
Residual | 584.0308667 | 15 | 38.93539111 | |||
Lack of fit | 584.0308667 | 10 | 58.40308667 | |||
Pure error | 0 | 5 | 0 | |||
Cor total | 38770.54832 | 29 |