| 实验因素 | 水平 | ||||
| 1 | 2 | 3 | 4 | 5 | |
| 脱脂奶粉/g | 0.5 | 1 | 1.5 | 2 | 2.5 |
| 零卡糖/g | 0.2 | 0.4 | 0.6 | 0.8 | 1.0 |
| 三氯蔗糖/g | 0.002 | 0.004 | 0.006 | 0.008 | 0.010 |
| 填充粉/g | 0.2 | 0.4 | 0.6 | 0.8 | 1.0 |