Table 3.
Quantification of the main phytochemicals in the analyzed extract of T. peltata (mg g−1 dry extract (DE); n = 3).
| No. | Assigned Identification | H2O | EA | MeOH |
|---|---|---|---|---|
| Proanthocyanidins | ||||
| 3 | Prodelphinidin dimer | 14.1 ± 0.7 | 1.13 ± 0.08 | -- |
| 4 | Procyanidin trimer | 2.4 ± 0.2 | -- | -- |
| 5 + 6 | Prodelphinidin dimers | 3.2 ± 0.2 | -- | 2.2 ± 0.1 |
| 10 + 11 | Prodelphinidin dimers | 3.0 ± 0.2 | 0.79 ± 0.05 | 0.78 ± 0.05 |
| 12 | Procyanidin dimer | 2.2 ± 0.1 | 0.17 ± 0.01 | -- |
| 14 | Prodelphinidin dimer | 1.4 ± 0.07 | 0.24 ± 0.02 | 0.36 ± 0.02 |
| 20 + 21 | Procyanidin trimer + prodelphinidin dimer | 1.38 ± 0.08 | -- | 0.59 ± 0.03 |
| Total | 27.7 ± 0.8 | 2.3 ± 0.1 | 3.9 ± 0.1 | |
| Flavonoids | ||||
| 8 | Gallocatechin | 4.4 ± 0.2 | 0.133 ± 0.009 | -- |
| 13 | Epigallocatechin | 4.3 ± 0.3 | 0.21 ± 0.01 | 1.17 ± 0.06 |
| 16 | Catechin | 0.066 ± 0.004 | 1.5 ± 0.1 | 2.2 ± 0.1 |
| 19 | Epicatechin | 7.7 ± 0.3 | 0.72 ± 0.05 | 4.1 ± 0.2 |
| 22 | Myricetin-O-hexoside | 2.1 ± 0.1 | 0.69 ± 0.04 | 2.5 ± 0.1 |
| 23 | Myricetin-O-hexoside | 0.47 ± 0.03 | -- | 0.28 ± 0.02 |
| 24 | Myricetin-O-pentoside | 0.135 ± 0.008 | -- | -- |
| 25 | Myricetin-O-pentoside | 0.121 ± 0.008 | -- | -- |
| 26 | Myricetin-O-deoxyhexoside | 13.4 ± 0.6 | 16.2 ± 0.8 | 12.2 ± 0.6 |
| 27 | Quercetin-O-hexoside | 0.21 ± 0.01 | 0.24 ± 0.02 | 0.27 ± 0.02 |
| 29 | Quercetin-O-pentoside | 0.0073 ± 0.0005 | 0.043 ± 0.003 | 0.023 ± 0.002 |
| 30 + 31 | Mearnsetin + quercetin glycosides | 3.8 ± 0.2 | 13.5 ± 0.8 | 4.4 ± 0.3 |
| 32 | Myricetin | -- | 0.55 ± 0.03 | -- |
| 33 | Kaempferol-O-deoxyhexoside | 0.137 ± 0.008 | 0.24 ± 0.02 | 0.130 ± 0.008 |
| 34 | Isorhamnetin-O-deoxyhexoside | 0.140 ± 0.008 | 0.41 ± 0.03 | 0.15 ± 0.01 |
| Total | 37.0 ± 0.8 | 34 ± 1 | 27.4 ± 0.8 | |
| Others | ||||
| 9 | Dihydroxybenzoic acid derivative | 0.29 ± 0.02 | -- | -- |
| TIPC | 65 ± 1 | 36 ± 1 | 31.3 ± 0.8 |
EA: ethyl acetate; MeOH: methanol; TIPC: total individual phenolic content.