Table 3.
HPLC-DAD analysis of polyphenolics and alkaloids from B. jaeschkeana and B. asiatica root under optimum MAE condition.
| B. jaeschkeana | B. asiatica | |||
|---|---|---|---|---|
| Polyphenolic compounds | Retention time (min) | Concentration (mg 100 g−1) | Concentration (mg 100 g−1) | |
| Gallic acid | 3.3 | 15.0 | 143.0 | |
| (+)-Catechin | 3.7 | 68.0 | 154.0 | |
| Chlorogenic acid | 4.2 | 77.0 | 276.0 | |
| Vanillic acid | 5.7 | 8.0 | 17.0 | |
| Caffeic acid | 6.4 | nd | 6.0 | |
| 3-hydroxy benzoic acid | 6.8 | 163.0 | 147.0 | |
| Rutin | 15.9 | nd | 466.0 | |
| Phloridzin | 18.8 | 4.0 | nd | |
| Alkaloids | ||||
| Berberine | 10.7 | 4638.0 | 8871.0 | |
| Palmatine | 5.7 | 2054.0 | 1868.0 | |
nd = not detected.