Table 3.
Putative identified features (m/z × RT pairs) using HRMS and MS/MS fragmentation patterns using MS-finder and DNP database
Peak no | RT (min) | m/z | MF | Δ Da | Putative ID | Found in | Chemical class |
---|---|---|---|---|---|---|---|
1 | 2.13 | 468.997 [M−H]− | C21H10O13 | 0.007 | Flavogallonic acid | T. catappa (Combretaceae) | Tannins |
2 | 3.11 | 541.0167 | C30H18O12 | 0.006 | Unknown | ||
3 | 3.4 | 603.0075 [M+H] + | C 28 H 10 O 16 | 0.005 | Terminalin | T. oblongata (Combretaceae) | Tannins |
4 | 3.66 | 303.0150 [M+H]+ | C14H6O8 | 0.001 | Ellagic acid | Many plants | Tannins |
5 | 4.55 | 461.0644 [M−H]− | C21H18O12 | 0.008 | Ellagic acid; 2,8-di-me ether, 3-O-β-d-xylopyranoside | T. superba (Combretaceae) | Tannins |
6 | 4.75 | 505.3547 [M+H] + | C 30 H 48 O 6 | 0.003 | Oleaterminaloic acid C | T. arjuna (Combretaceae) | Triterpenoids |
7 | 4.9 | 519.3235 [M−H]− | C30H48O7 | 0.009 | Bellericagenin B | T. bellerica; T. arjuna (Combretaceae) | Triterpenoids |
8 | 5.16 | 695.1531 [M−H] − | C 34 H 30 O 15 | 0.009 | 3,4,5-Tri- O -caffeoylquinic acid | Many plants | Lignans |
9 | 5.89 | 501.3218 [M−H]− | C30H48O6 | 0.0003 | Sericic acid | Many Terminalia sp. | Triterpenoids |
10 | 6.01 | 343.0411 [M−H] − | C 17 H 12 O 8 | 0.005 | Ellagic acid; 2,3,7-tri-me ether | Many plants | Tannins |
11 | 6.65 | 487.3343 [M+H] + | C 30 H 46 O 5 | 0.0003 | Oleaterminaloic acid B | T. arjuna (Combretaceae) | Triterpenoids |
Major peaks detected by CAD are in bold