| 样品 | 稀释倍数 | 1# | 2# | 3# | AVE |
| Vc | 0.3 mg/mL | 3.809 | 3.696 | 3.762 | 3.756 ± 0.055a |
| 空白对照 | - | 2.260 | 2.256 | 2.236 | 2.251 ± 0.013d |
| 红枣玉竹酵素 | 1:100 | 3.247 | 3.243 | 3.159 | 3.216 ± 0.050b |
| 1:200 | 3.120 | 3.184 | 3.182 | 3.162 ± 0.036b | |
| 红枣玉竹酵素提取液 | 1:100 | 2.959 | 2.742 | 2.844 | 2.848 ± 0.109c |
| 1:200 | 2.930 | 2.896 | 2.918 | 2.915 ± 0.017c |