Table 2.
Content (µg/100 g DW) of phenolic compounds in extracts of P. imperiale.
| No. | Compound | Natural Product Class | Content in Extracts (µg/100 g DW) | ||
|---|---|---|---|---|---|
| Leaves | Flowers | Wood | |||
| 1 | Gallic acid | Phenolic acid | 939.2 ± 74.2 | 13.1 ± 0.17 | 33.5 ± 0.43 |
| 2 | Catechin | Flavanol | 13613 ± 254 | 379.4 ± 15.4 | 457.1 ± 55.1 |
| 3 | Epicatechin | Flavanol | 2378 ± 41.7 | 1124 ± 5.30 | 1950 ± 17.7 |
| 4 | Ferulic acid | Hydroxycinnamic acid | 267.6 ± 8.48 | 75.0 ± 0.07 | 1629 ± 2.94 |
| 5 | Resveratrol | Stilbene | 1133 ± 28.3 | 1076 ± 201 | 97.8 ± 4.60 |
| 6 | Quercetin | Flavonol | 1954 ± 42.4 | 3661 ± 299 | 572.1 ± 16.8 |
Values are mean ± SD of three independent experiments.