TABLE 5.
Analysis of variance (ANOVA) for response surface quadratic model for the optimization of β-damascenone production.
| Source | Sum of squares | F-value | p-value | Significant |
|
|
||||
| Prob > F | ||||
| Model | 54.32 | 8.45 | 0.0051 | ** |
| A-initial pH | 5.11 | 7.16 | 0.0317 | * |
| B-original Brix | 1.06 | 1.49 | 0.2623 | |
| C-fermentation period | 0.80 | 1.11 | 0.3261 | |
| AB | 0.17 | 0.24 | 0.6393 | |
| AC | 0.22 | 0.31 | 0.5968 | |
| BC | 0.22 | 0.31 | 0.5971 | |
| A2 | 22.07 | 30.90 | 0.0009 | ** |
| B2 | 12.98 | 18.17 | 0.0037 | ** |
| C2 | 7.09 | 9.93 | 0.0161 | * |
| Lack of fit | 3.36 | 2.73 | 0.1779 | not significant |
*p < 0.05, **p < 0.01.