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L9 (3)4 orthogonal test result
| No. | A (ethanol concentration) (%) |
B (Ratio of solvent to raw material) |
C (extraction temperature) (°) |
D Extraction time (h) |
extraction yield (%) |
| 1 | 1 | 1 | 1 | 1 | 5.08 |
| 2 | 1 | 2 | 2 | 2 | 5.39 |
| 3 | 1 | 3 | 3 | 3 | 5.24 |
| 4 | 2 | 1 | 2 | 3 | 5.21 |
| 5 | 2 | 2 | 3 | 1 | 5.94 |
| 6 | 2 | 3 | 1 | 2 | 5.27 |
| 7 | 3 | 1 | 3 | 2 | 5.06 |
| 8 | 3 | 2 | 1 | 3 | 5.24 |
| 9 | 3 | 3 | 2 | 1 | 5.01 |
| K1 | 5.237 | 5.117 | 5.197 | 5.343 | |
| K2 | 5.473 | 5.523 | 5.203 | 5.240 | |
| K3 | 5.103 | 5.173 | 5.413 | 5.230 | |
| R | 0.370 | 0.406 | 0.216 | 0.113 |
