Research Article
Spectrum-Effect Relationship between HPLC Fingerprints and Antioxidant Activity of Yangyin Tongnao Prescription
Table 3
The orthogonal table of sample solutions.
| Run | Temperature (°C) | Extraction time (min) | Solvent-to-material ratio (mL/g) | Deviation |
| S1 | 1 | 1 | 1 | 1 | S2 | 1 | 2 | 2 | 2 | S3 | 1 | 3 | 3 | 3 | S4 | 2 | 1 | 2 | 3 | S5 | 2 | 2 | 3 | 1 | S6 | 2 | 3 | 1 | 2 | S7 | 3 | 1 | 3 | 2 | S8 | 3 | 2 | 1 | 3 | S9 | 3 | 3 | 2 | 1 |
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