Table 7.
Retention time, name, regression equation, contents, and linear range of 12 components in the purified prescription.
| Number | t R (min) | Component | Regression equation | R 2 | Content (%) | Linear range (μg/mL) |
|---|---|---|---|---|---|---|
| 1 | 2.4 | Gallic acid | y = 6649.1x − 625.98 | 0.9999 | 0.15 | 10.0–70.0 |
| 2 | 10.5 | Catechin | y = 558.67x + 3342.2 | 0.9999 | 3.63 | 20.0–1100.0 |
| 3 | 13.0 | Chlorogenic acid | y = 4932.2x − 11477 | 1.0000 | 0.48 | 57.5–287.0 |
| 4 | 16.8 | Epicatechin | y = 708.8x + 2911.6 | 0.9999 | 0.36 | 45.0–225.0 |
| 5 | 18.2 | Corilagin | y = 3623.1x + 1735.8 | 1.0000 | 1.97 | 130.0–650.0 |
| 6 | 40.9 | Ellagic acid | y = 21560x − 345092 | 0.9965 | 0.45 | 65.0–228.0 |
| 7 | 53.3 | Hyperoside | y = 7500.7x + 2857.1 | 1.0000 | 1.11 | 55.0–330.0 |
| 8 | 53.9 | Rutin | y = 7143.9x + 4530.4 | 0.9999 | 1.11 | 57.5–345.0 |
| 9 | 54.8 | Isoquercitrin | y = 9655.1x − 12230 | 1.0000 | 0.87 | 44.0–308.0 |
| 10 | 59.8 | Avicularin | y = 12645x − 11462 | 0.9995 | 0.22 | 30.0–150.0 |
| 11 | 63.9 | Quercitrin | y = 16511x − 20026 | 0.9998 | 0.31 | 30.0–150.0 |
| 12 | 80.9 | Quercetin | y = 2568.9x − 12928 | 0.9992 | 0.51 | 45.0–225.0 |