Research Article
Optimizing the Extraction of Dietary Fibers from Sorghum Bran Using Response Surface Methodology
Table 4
Path of steepest descent conditions generated by variation of extracting cycles (
) and time (
).
| Conditions | Variables | Predicted yield (%) | Cycles | Ratio | Time | Temperature |
| | 0.0 | 0.0 | 0.0 | 0.0 | 44.54 | | 1.0 | 0.15 | 0.7 | 0.1 | 37.65 | | 2.0 | 0.98 | 1.0 | 0.9 | 30.68 | | 3.0 | 1.6 | 7.9 | 4.4 | −108.91 | | 4.0 | 5.0 | −4.3 | 5.0 | −150.64 | | 5.0 | 7.3 | −8.4 | 7.2 | −464.56 |
| | 1.2 | 0.2 | 1.0 | 0.1 | 35.50 | | 1.4 | 0.1 | 2.0 | 0.2 | 26.96 | | 1.5 | 0.0 | 3.0 | 0.2 | 13.65 | | 1.5 | −0.3 | 4.0 | 0.2 | −5.34 | | 1.4 | −0.5 | 5.0 | 0.1 | −30.47 |
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