Table 2.
Phenolic compound composition of unripe and ripe endosperm extracts of Nypa fruticans (μg/g DW of plant material).
| Peak number | Compound | Retention time (min) | λ max (nm) | Unripe | Ripe |
|---|---|---|---|---|---|
| 1 | Gallic acid | 2.1 | 272 | 0.47 ± 0.02 | 0.46 ± 0.01 |
| 2 | Protocatechuic acid | 2.9 | 294 | 5.52 ± 0.40a | 3.88 ± 0.50b |
| 3 | Hydroxybenzoic acid | 3.9 | 256 | 1.10 ± 0.07a | 0.87 ± 0.06b |
| 4 | Chlorogenic acid | 6.1 | 326 | 14.5 ± 1.30a | 9.7 ± 1.10b |
| 5 | Rutin | 9.5 | 354 | 2.7 ± 0.04a | 2.2 ± 0.07b |
| 6 | Cinnamic acid | 10.7 | 272 | 1.1 ± 0.01 | 0.9 ± 0.02 |
| 7 | Quercetin | 11.6 | 372 | 1.73 ± 0.02 | 1.74 ± 0.7 |
| 8 | Kaempferol | 11.9 | 364 | 3.2 ± 0.40 | 3.0 ± 0.10 |
For each treatment means in a row followed by different letters are significantly different at P < 0.05.