Table 3.
Constraints, criteria for optimization and optimized solutions with predicted and actual experimental values of banana incorporated extrudates
| Particulars | Target | Experimental range | Importance | Optimum value | Desirability | |
|---|---|---|---|---|---|---|
| Min | Max | |||||
| Banana pulp | Range | 8 | 24 | 3 | 8.00 | 0.805 |
| Screw speed (rpm) | Range | 300 | 350 | 3 | 350.00 | |
| Feed moisture (%) | Range | 14 | 16 | 3 | 14.00 | |
| Responses | Predicted values | Experimental values | ||||
| Expansion ratio | Maximize | 2.69 | 3.36 | 5 | 3.42 | 3.44 |
| Bulk density (kg/m3) | Minimize | 153.43 | 238.83 | 5 | 153.43 | 153.86 |
| Water Absorption (g/g) | Maximize | 4.56 | 4.88 | 5 | 4.83 | 4.80 |
| Total minerals (%) | Maximize | 2.06 | 2.27 | 1 | 2.09 | 2.11 |
| Protein content (%) | Maximize | 15.19 | 15.52 | 5 | 15.54 | 15.46 |
| Iron content (mg/100 g) | Maximize | 4.39 | 4.67 | 2 | 4.46 | 4.48 |
| Overall acceptability | Maximize | 6.76 | 7.36 | 5 | 7.30 | 7.60 |