Table 6.
HPLC results showing retention time (min), area under the curve, and the concentrations (μg/mL) of phenolic compounds for ethanolic and aqueous extracts.
| Name of phenolic compound | Aqueous extract | Ethanolic extract | ||||
|---|---|---|---|---|---|---|
| Retention time (in minutes) | Area | Concentration (μg/mL) | Retention time (in minutes) | Area | Concentration (μg/mL) | |
| Gallic acid | 3.932 | 7004 | 2.1635 | Not found | — | — |
| Vanillic acid | 4.322 | 6920 | 0.7463 | 4.445 | 7305 | 0.7879 |
| Catechin | 4.787 | 15765 | 20.1598 | 4.888 | 23604 | 30.1841 |
| Caffeic acid | Not found | — | — | Not found | — | — |
| Ferulic acid | 5.985 | 7121 | 8.8058 | 5.986 | 9697 | 11.9913 |
| Epicatechin | 6.374 | 1687 | 1.402 | 6.333 | 1351 | 1.1233 |
| Chlorogenic acid | 6.775 | 2321 | 0.7351 | 6.456 | 1477 | 0.4677 |
| P-Coumaric acid | Not found | — | — | Not found | — | — |
| Sinapic acid | Not found | — | — | Not found | — | — |