| 因素 Factor | 水平 Level | 其他条件 Other condition |
| 料液比Solid-liquid ratio/(g∙mL−1) | 1:15, 1:20, 1:25, 1:30, 1:40 | 60%, 80℃, 2 h |
| 乙醇含量Ethanol content/(%) | 40, 50, 60, 70, 80 | 1:20, 80℃, 2 h |
| 提取温度Extraction temperature/(℃) | 50, 60, 70, 80, 85 | 1:20, 60%, 2 h |
| 浸泡时间Soak time/(h) | 1, 1.5, 2, 3 | 1:20, 60%, 80℃ |