Table 4 ANOVA for LA yield by immobilized L. pentosus ATCC 8041 cells
From: Optimization of immobilized Lactobacillus pentosus cell fermentation for lactic acid production
| Source | Sum of squares | Degree of freedom | Mean square | F-value | p-value |
|---|---|---|---|---|---|
| Model | 0.0111 | 14 | 0.0008 | 118.09 | < 0.0001 |
| Bead diameter (DB) | 0.0004 | 1 | 0.0004 | 58.95 | < 0.0001 |
| pH | 0.0015 | 1 | 0.0015 | 222.35 | < 0.0001 |
| Initial glucose concentration (CG) | 0.0008 | 1 | 0.0008 | 114.12 | < 0.0001 |
| Biomass (BW) | 0.0000 | 1 | 0.0000 | 1.5 | 0.2411 |
| DB × pH | 6.25 × 10−6 | 1 | 6.25 × 10−6 | 0.9287 | 0.3515 |
| DB × CG | 4.00 × 10−6 | 1 | 4.00 × 10−6 | 0.5944 | 0.4535 |
| DB × BW | 9.00 × 10−6 | 1 | 9.00 × 10−6 | 1.34 | 0.2669 |
| pH × CG | 0.0000 | 1 | 0.0000 | 5.35 | 0.0364 |
| pH × BW | 0.0007 | 1 | 0.0007 | 96.62 | < 0.0001 |
| CG × BW | 0.0006 | 1 | 0.0006 | 92.87 | < 0.0001 |
| \({D_{\text{B}}}^{2}\) | 0.0000 | 1 | 0.0000 | 3.45 | 0.0844 |
| pH2 | 0.007 | 1 | 0.0070 | 1034.84 | < 0.0001 |
| \({C_{\text{G}}}^{2}\) | 0.0004 | 1 | 0.0004 | 58.14 | < 0.0001 |
| \({B_{\text{W}}}^{2}\) | 0.0002 | 1 | 0.0002 | 30.68 | < 0.0001 |
| Residual | 0.0001 | 14 | 6.73 × 10−6 | ||
| Lack of fit | 0.0001 | 10 | 7.94 × 10−6 | 2.15* | 0.2403 |
| Pure error | 0.0000 | 4 | 3.70 × 10−6 | ||
| Cor total | 0.0112 | 28 | |||
| Standard deviation | 0.0026 | R2 | 0.9916 | ||
| Mean | 0.9123 | Adjusted R2 | 0.9832 | ||
| Coefficient of variation (C.V.%) | 0.2844 | Predicted R2 | 0.9572 | ||
| Press | 0.0005 | Adequate precision | 38.1890 |
