Table 1 Summary of the MS data obtained in the analysis of the hexane (HEX), chloroform (CLO), hydroalcoholic (HA) and aqueous (AQ) extracts from barks of Trichilia catigua through HPLC-DAD-ESI-MS/MS
From: Antioxidant, anticholinesterase and antifatigue effects of Trichilia catigua (catuaba)
Rt | HPLC/(−)ESI-MS/MS m/z (%base peak) | Proposed structure | HEX | CLO | HA | AQ | |
|---|---|---|---|---|---|---|---|
1 | 4.0 | [M – H]− - 341 MS/MS - 179 | 6-O-caffeoyl glucoside | – | X | X | X |
2 | 14.1 | [M – H]− - 723 MS/MS - 597 (20), 433 (80) 425 (90), 407 (100), 289 (20) | procyanidin B2–8-C-rhamnoside | – | – | X | – |
3 | 15.3 | [M – H]− - 577 MS/MS - 559 (20), 451 (30), 425 (100), 407 (80), 289 (20) | procyanidin B2 (epi)-catechin – (epi)-catechin | – | – | X | – |
4 | 17.2 | [M – H]− - 739 MS/MS - 587 (100), 451 (40) | cinchonain IIa | X | X | X | X |
5 | 18.0 | [M – H]− - 467 MS/MS - 449 | apocynin E | – | X | – | – |
6 | 19.0 | [M – H]− - 353 MS/MS - 191 | 3-O-cafeoylquinic acid | – | – | – | X |
7 | 19.6 | [M – H]− - 451 MS/MS - 341 | cinchonain Ia | X | X | X | X |
8 | 21.4 | [M – H]− - 613 MS/MS - 503 (100), 451 (50), 393 (20), 341 (20) | bis-(3,4-dihydroxyphenylpropanoid)-substituted catechin | – | X | X | X |
9 | 22.2 | [M – H]− - 901 MS/MS - 791 (100), 597 (70), 451 (60), 341 (20) | cinchonain IIa glucoside | – | X | – | – |
10 | 24.4 | [M – H]− - 901 MS/MS - 791 (60), 597 (100), 451 (40), 341 (50) | cinchonain IIb glucoside | – | X | – | – |
11 | 24.8 | [M – H]− - 613 MS/MS - 503 (100), 451 (10), 341 (10) | cinchonain Id-7- glucoside | – | – | X | X |
12 | 26.4 | [M – H]− - 451 MS/MS - 341 | cinchonain Ib | X | X | X | X |