Table 1.
ANOVA of the model generated by regression by the stepwise method.
| DF | Contribution | Adj SS | F | p | |
|---|---|---|---|---|---|
| Model | 6 | 85.08% | 12.354 | 7.6 | 0.006 |
| Linear | 3 | 61.58% | 17.883 | 11 | 0.003 |
| PE | 1 | 46.59% | 40.590 | 24.98 | 0.001 |
| TE | 1 | 12.79% | 11.139 | 6.85 | 0.031 |
| TP | 1 | 2.20% | 1.921 | 1.18 | 0.309 |
| Square | 1 | 9.20% | 8.016 | 4.93 | 0.057 |
| TE2 | 1 | 9.20% | 8.016 | 4.93 | 0.057 |
| Interaction | 2 | 14.30% | 6.229 | 3.83 | 0.068 |
| PE × TE | 1 | 6.18% | 5.382 | 3.31 | 0.106 |
| PE × TP | 1 | 8.12% | 7.076 | 4.35 | 0.07 |
| Residual error | 8 | 14.92% | 1.625 | ||
| Lack of fit | 6 | 13.33% | 1.935 | 2.79 | 0.288 |
| Pure error | 2 | 1.59% | 0.695 | ||
| Total | 14 | 100.00% |
DF: degrees of freedom; Adj SS: adjusted sum of squares; F: F-statistics; p: p-value. TE, PE, and TP correspond to extraction temperature, extraction pressure, and microwave pretreatment temperature, respectively.