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Design and results of L9 (34) orthogonal experiment.
| Number | A | B | C | D | Total Flavonoids Yield mg/100g Bamboo Residues |
|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | 84.246 |
| 2 | 1 | 2 | 2 | 2 | 74.504 |
| 3 | 1 | 3 | 3 | 3 | 96.370 |
| 4 | 2 | 1 | 2 | 3 | 100.942 |
| 5 | 2 | 2 | 3 | 1 | 68.024 |
| 6 | 2 | 3 | 1 | 2 | 64.221 |
| 7 | 3 | 1 | 3 | 2 | 76.855 |
| 8 | 3 | 2 | 1 | 3 | 76.016 |
| 9 | 3 | 3 | 2 | 1 | 74.413 |
| k1 | 85.040 | 87.348 | 74.828 | 75.561 | |
| k2 | 77.729 | 72.848 | 83.286 | 71.860 | |
| k3 | 75.761 | 78.334 | 80.417 | 91.109 | |
| R | 9.278 | 14.500 | 8.459 | 19.249 |
