| 试验号 | 因素 | ||||
| A | B | C | D | 黄酮吸光值 | |
| 1 | 1 | 1 | 1 | 1 | 0.096 |
| 2 | 1 | 2 | 2 | 2 | 0.215 |
| 3 | 1 | 3 | 3 | 3 | 0.159 |
| 4 | 2 | 1 | 2 | 3 | 0.109 |
| 5 | 2 | 2 | 3 | 1 | 0.115 |
| 6 | 2 | 3 | 1 | 2 | 0.129 |
| 7 | 3 | 1 | 3 | 2 | 0.168 |
| 8 | 3 | 2 | 1 | 3 | 0.156 |
| 9 | 3 | 3 | 2 | 1 | 0.509 |
| I | 0.470 | 0.373 | 0.381 | 0.720 |
|
| II | 0.353 | 0.486 | 0.833 | 0.512 |
|
| III | 0.833 | 0.797 | 0.442 | 0.424 |
|
| K1 | 0.157 | 0.124 | 0.127 | 0.240 |
|
| K2 | 0.118 | 0.162 | 0.278 | 0.171 |
|
| K3 | 0.278 | 0.266 | 0.147 | 0.141 |
|
| R | 0.160 | 0.141 | 0.151 | 0.099 |
|
| 最优水平 | A3 | B3 | C2 | D1 |
|
| 主次因素 | A > C > B > D |
| |||
| 最优组合 | A3B3C2D1 |
| |||