Table 3.
Bioactive secondary metabolites determined by HPLC-ESI-TOF-MS in a methanol extract of A. indicum shoots.
| Peaks | R t | λ max | [M + H]+ | Compounds | Molecular formula |
|---|---|---|---|---|---|
| (min) | (nm) | (m/z) | (tentatively identified) | ||
| 1 | 1.616 | 280, 210 | 171.1076 | Gallic acid | C7H6O5 |
| 2 | 24.024 | 280, 255 | 269.1452 | 3-Hydroxy-4′-methoxyflavone | C16H12O4 |
| 3 | 25.726 | 280 | 288.2690 | Cyanidin | C15H11O6 |
| 4 | 32.789 | 280, 240 | 301.1448 | Chrysoeriol | C16H12O6 |
| 5 | 34.169 | 280, 230, 260 | 303.2535 | Quercetin | C15H10O7 |
| 6 | 34.939–35.260 | 280, 210 | 111.1173 | Catechol | C6H6O2 |
| 199.1697 | Syringic acid | C9H10O5 | |||
| 287.2202 | Luteolin | C15H10O6 |