Research Article
Design and Optimization of a Process for Sugarcane Molasses Fermentation by Saccharomyces cerevisiae Using Response Surface Methodology
Table 3
Analysis of variance of the fitted quadratic regression model (
2).
| | Source | SS* | df* | MS* | value | value | Remarks |
| | Model | | 14 | 12152.97 | 82.14 | <0.0001 | Significant | | 724.41 | 1 | 724.41 | 4.90 | 0.0428 | Significant | | 2.96 | 1 | 2.96 | 0.020 | 0.8894 | Not significant | | 200.13 | 1 | 200.13 | 1.35 | 0.2630 | Not significant | | 102.72 | 1 | 102.72 | 0.69 | 0.4178 | Not significant | | 17759.56 | 1 | 17759.56 | 120.03 | <0.0001 | Significant | | 13001.70 | 1 | 13001.70 | 87.87 | <0.0001 | Significant | | 7818.98 | 1 | 7818.98 | 52.85 | <0.0001 | Significant | | 12188.16 | 1 | 12188.16 | 82.38 | <0.0001 | Significant | | 14769.54 | 1 | 14769.54 | 99.82 | <0.0001 | Significant | | 4298.11 | 1 | 4298.11 | 29.05 | <0.0001 | Significant | | 0.83 | 1 | 0.83 | | 0.9414 | Not significant | | 22206.70 | 1 | 22206.70 | 150.09 | <0.0001 | Significant | | 5034.32 | 1 | 5034.32 | 34.03 | <0.0001 | Significant | | 11447.22 | 1 | 11447.22 | 77.37 | <0.0001 | Significant | | Residual | 2219.36 | 15 | 147.96 | | | | | Lack of Fit | 2198.71 | 10 | 219.87 | 53.24 | 0.0002 | Significant | | Pure Error | 20.65 | 5 | 4.13 | | | |
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SS: sum of squares; df: degree of freedom; MS: mean square.
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