Table 4 Means squares and significant level for drying time, SEC, ΔE, TPC, TFC, AA, and EO using the response surface method
Parameters | Time | SEC | ΔE | TPC | TFC | AA | EO |
|---|---|---|---|---|---|---|---|
A-Temperature | 15504.17** | 1.10** | 22.12** | 3.99×10-6** | 30.51** | 673.95** | 0.05* |
B- Weight | 6016.47** | 1.22** | 0.0024ns | 1.06×10-6** | 8.91* | 32.71* | 0.020ns |
A*B | 156.25* | - | 0.94ns | 8.39×10-8ns | 2.74ns | 0.12ns | 0.001ns |
A2 | 1437.05** | - | 0.42ns | 8.77×10-6** | 92.66** | 19.56* | 0.15** |
B2 | 0.2660ns | - | 18.45** | 4.24×10-6** | 49.47** | 133.85** | 0.20** |
Residual | 17.98 | 0.003 | 0.22 | 5.35×10-8 | 1.06 | 2.83 | 0.009 |
Lack of fit | 28.22ns | 0.002ns | 0.27ns | 1.43×10-6ns | 0.32ns | 0.28ns | 0.002ns |
Pure error | 10.30 | 0.006 | 0.18 | 8.3010-8 | 1.62 | 9.46 | 0.015 |
C.V | 3.39 | 1.91 | 3.23 | 3.92 | 3.33 | 2.67 | 5.14 |
R2 | 0.9946 | 0.9837 | 0.9679 | 0.9857 | 0.9731 | 0.9792 | 0.9041 |
Adjusted R2 | 0.9908 | 0.9805 | 0.9450 | 0.9752 | 0.9538 | 0.9643 | 0.8533 |
Predicated R2 | 0.9651 | 0.9758 | 0.8435 | 0.9695 | 0.9330 | 0.9620 | 0.9188 |
Model | Quadratic | Linear | Quadratic | Quadratic | Quadratic | Quadratic | Quadratic |