Research Article
Optimizing the Extraction of Dietary Fibers from Sorghum Bran Using Response Surface Methodology
Table 3
ANOVA of fitted quadratic polynomial model of the extraction yield.
| | Source | Sum of squares | Degree of freedom | Mean squares | -ratio | value |
| | Model | 808.31 | 8 | 101.04 | 21.63 | 0.0000 | | : cycles | 487.18 | 1 | 487.18 | 304.24 | 0.0001 | | : ratio | 0.89 | 1 | 0.89 | 0.55 | 0.4984 | | : Time | 39.39 | 1 | 39.39 | 24.60 | 0.0077 | | : temperature | 8.57 | 1 | 8.57 | 5.35 | 0.0817 | | 27.08 | 1 | 27.08 | 16.91 | 0.0147 | | 53.44 | 1 | 53.45 | 33.37 | 0.0045 | | 14.21 | 1 | 14.21 | 8.88 | 0.0408 | | 5.81 | 1 | 5.81 | 3.63 | 0.1296 | | 53.36 | 1 | 53.36 | 33.32 | 0.0045 | | 40.58 | 1 | 40.58 | 25.34 | 0.0073 | | 60.68 | 1 | 60.68 | 37.90 | 0.0035 | | 30.31 | 1 | 30.31 | 18.93 | 0.0121 | | 9.18 | 1 | 9.18 | 5.73 | 0.0748 | | 1.27 | 1 | 1.27 | 0.80 | 0.4228 | | Lack of fit | 47.09 | 10 | 4.71 | 2.94 | 0.1550 | | Residue | 93.43 | 20 | 4.67 | | | | Pure error | 6.41 | 4 | 1.60 | | | | Cor Total | 901.74 | 28 | | | |
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Significant at 0.05.
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