Table 1.
Compounds tentatively identified in the chloroform fraction from the methanol extract of M. concanensis bark using UPLC-QTOF/MS analysis.
| Peak no. | Tentative identification | Elemental composition | Calculated m/z [M-H]− | Observed m/z [M-H]− | Retention time | References |
|
| ||||||
| 1 | Kaempferol-3-O-rutinoside | C27H30O15 | 593.1507 | 593.1512 | 6.65 | [21] |
| 2 | Astragalin | C21H20O11 | 447.0927 | 447.0937 | 7.50 | [21] |
| 3 | Quercetin-3-O-glucuronide | C21H18O13 | 477.0670 | 477.0685 | 7.83 | — |
| 4 | Tetra-O-galloyl-glucoside | C34H28O22 | 787.0994 | 787.1005 | 8.11 | — |
| 5 | Kaempferol-3-O-glucuronosyl methyl ester | C22H20O12 | 475.0876 | 475.0867 | 8.61 | [21] |
| 6 | Isoquercetin | C21H20O12 | 463.0877 | 463.0884 | 8.63 | [21] |
| 7 | Caffeic acid | C9H8O4 | 179.0344 | 179.0352 | 9.01 | [21] |
| 8 | Hydroxy-methoxy-cinnamic acid | C10H10O4 | 193.0501 | 193.0511 | 9.38 | — |
| 9 | Sinapic acid | C11H12O5 | 223.0607 | 223.0613 | 10.04 | — |
| 10 | Kaempferol 3-O-arabinoside | C20H18O10 | 417.0822 | 417.0844 | 10.40 | — |
| 11 | Secoisolariciresinol | C20H26O6 | 361.1651 | 361.1656 | 10.43 | — |
| 12 | Kaempferol-3-O-rhamnoside | C21H20O10 | 431.0978 | 431.0995 | 10.91 | [21] |
| 13 | Quercetin-3-O-glucuronide-methyl-ester | C22H20O13 | 491.0826 | 491.0842 | 10.99 | — |
| 14 | Quercetin | C15H10O7 | 301.0348 | 301.0351 | 11.93 | [21] |
| 15 | Eugenol | C10H12O2 | 163.0759 | 163.0765 | 12.47 | [21] |
| 16 | Naringenin | C15H12O5 | 271.0607 | 271.0615 | 13.07 | — |
| 17 | Trimethoxyflavone | C18H16O5 | 311.0920 | 311.0929 | 13.32 | — |
| 18 | Demethoxycurcumin | C20H18O5 | 337.1076 | 337.1085 | 15.53 | — |
| 19 | Sanleng acid | C18H34O5 | 329.2328 | 329.2339 | 15.62 | [21] |
| 20 | Licoricone | C22H22O6 | 381.1338 | 381.1335 | 15.65 | — |