Table 3.
Variance analysis of orthogonal test.
| Factors | SS | df | MS | F | P | Significant |
|---|---|---|---|---|---|---|
| A | 292 | 3 | 97.270020 | 9.080411 | 0.051436 | ** |
| B | 163 | 3 | 54.187990 | 5.058590 | 0.108024 | * |
| C | 28 | 3 | 9.440320 | 0.881279 | 0.540148 | - |
| D | 18 | 3 | 6.149190 | 0.574043 | 0.670151 | - |
| Error | 32.1362 | 51 | 10.71207 | - | - | - |
| Total | 9.31 | 26 | - | - | - | - |
F0.01 (3,51) = 5.28 F0.05 (3,51) = 2.79; SS: Sum of square; df: Degree of freedom; MS: Mean of square; F: F-value; **: p < 0.01 (F > F0.01 (3,51)); *: p < 0.05 (F > F0.05 (3,51)); A: Extraction time; B: Ethanol concentration; C: Extraction temperature; D: Extraction frequency.