Table 1.
System suitability: Capacity factor (k), relative retention (α), resolution (Rs), theoretical plate (N), and symmetry factor (S)
| Compound | k | α | Rs | N | S |
|---|---|---|---|---|---|
| Gallic acid | 0.73 | 3.87 | 32.68 | 8420 | 1.04 |
| Oxypaeoniflorin | 2.83 | 1.04 | 1.97 | 84 569 | 1.22 |
| (+)-Catechin | 2.92 | 1.04 | 1.97 | 60 404 | 1.00 |
| Albiflorin | 4.01 | 1.08 | 5.65 | 113 881 | 1.06 |
| Paeoniflorin | 4.35 | 1.08 | 5.65 | 129 607 | 1.21 |
| Liquiritin | 5.06 | 1.21 | 15.63 | 172 593 | 1.05 |
| Benzoic acid | 6.24 | 1.07 | 6.58 | 140 602 | 1.08 |
| Isoliquiritin | 6.76 | 1.05 | 5.94 | 330 675 | 1.06 |
| Ononin | 6.94 | 1.05 | 5.94 | 295 234 | 0.96 |
| Benzoylpaeoniflorin | 8.82 | 1.40 | 45.93 | 365 060 | 1.09 |
| Glycyrrhizin | 12.24 | 1.40 | 45.93 | 360 521 | 1.29 |