Table 3.
ANOVA evaluation of linear, quadratic and interaction terms for responses, and coefficient of prediction models
| Drying time | Vitamin C | Rehydration ratio | Non enzymatic browning | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Source | df | Coefficient | Sum of Squares | df | Coefficient | Sum of Squares | df | Coefficient | Sum of Squares | df | Coefficient | Sum of Squares |
| Model | 9 | 129157.44 | 9 | 3468.37 | 9 | 6.821 | 9 | 0.0049 | ||||
| DT | 1 | −103a | 84872.00 | 1 | −6.3725a | 324.87 | 1 | 0.0525a | 0.022 | 1 | 0.0125a | 0.0013 |
| AV | 1 | −40a | 12800.00 | 1 | −0.78875 | 4.98 | 1 | 0.13a | 0.135 | 1 | 0.0075a | 0.0005 |
| S | 1 | 43a | 14792.00 | 1 | −2.63875 | 55.7 | 1 | −0.06 | 0.029 | 1 | 0 | 0.0001 |
| DTAV | 1 | 0.25 | 0.25 | 1 | −3.145 | 39.56 | 1 | 0.31 | 0.384 | 1 | 0.0125a | 0.0006 |
| DTS | 1 | 2.25 | 20.25 | 1 | −2.2 | 19.36 | 1 | −0.085 | 0.029 | 1 | 0.0075a | 0.0002 |
| AVS | 1 | 13.25 | 702.25 | 1 | −3.0425 | 37.03 | 1 | −0.04 | 0.006 | 1 | −0.0075a | 0.0002 |
| DT2 | 1 | 20.375 | 1747.96 | 1 | −25.7488 | 2791.57 | 1 | −1.016a | 4.346 | 1 | 0.02125a | 0.0019 |
| AV2 | 1 | −30.13 | 3821.12 | 1 | 3.69375 | 57.45 | 1 | −0.141 | 0.084 | 1 | 0.00625 | 0.0002 |
| S2 | 1 | −49.63 | 10369.01 | 1 | −5.15125 | 111.73 | 1 | −0.571a | 1.373 | 1 | −0.00375 | 0.0001 |
| Residual | 7 | 4259.50 | 7 | 92.94 | 7 | 0.243 | 7 | 0.0003 | ||||
| Lack of Fit | 3 | 1441.50 | 3 | 24.14 | 3 | 0.048 | 3 | 0.0001 | ||||
| Pure Error | 4 | 2818.00 | 4 | 68.8 | 4 | 0.195 | 4 | 0.0002 | ||||
| Std. Dev. | 24.67 | 3.64 | 0.186 | 0.006 | ||||||||
| Mean | 585.06 | 273.4 | 6.269 | 0.1312 | ||||||||
| R2 | 0.968 | 0.974 | 0.966 | 0.952 | ||||||||
| Adj R2 | 0.927 | 0.94 | 0.921 | 0.89 | ||||||||
| PredR2 | 0.794 | 0.861 | 0.848 | 0.785 | ||||||||
| Adeq Precision | 16.438 | 16.298 | 11.76 | 15.818 | ||||||||
| C.V. % | 4.216 | 1.333 | 2.97 | 4.556 | ||||||||
| PRESS | 27467.125 | 493.727 | 1.073 | 0.001 | ||||||||
aSignificant terms of the model