Table 1.
Results obtained by RPHPLC-DAD-ESI-MS/MS analyses of geopropolis from Scaptotrigona postica: retention times (Rt), MS data for positive ion mode, and structure proposed.
| Rt | [M + Na]+ | [M + H]+ | Structure proposed | |
|---|---|---|---|---|
| 1 | 3.9 | — | [M + H]+ 443 MS/MS—291 |
Catechin-3-O-gallate |
|
| ||||
| 2 | 5.6 | [M + Na]+—365 | [M + H]+—343 | Caffeoyl glucoside |
|
| ||||
| 3 | 6.5 | [M + H]+—415 MS/MS—397 (100), 379 (40), 361 (30), 331 (50) |
7-Methoxy-5-hydroxy-8-C-flavone rhamnoside | |
|
| ||||
| 4 | 15.5 | [M + H]+ 430 MS/MS—412 (100), 385 (70), 367 (10), 315 (20) |
7(3-Methoxy-2-methylbutyryl)-9-echimidinylretronecine or methoxy echimidine derivative | |
|
| ||||
| 5 | 16.0 | [M + H]+ 444 MS/MS—426 (100), 399 (20) |
7(3-Ethoxy-2-methylbutyryl)-9-echimidinylretronecine or ethoxy echimidine derivative | |
|
| ||||
| 6 | 16.5 | [M + H]+ 619 MS/MS—601 (80), 583 (20), 565 (20), 535 (100) |
Acacetin-di-C-acetyl dirhamnoside | |
|
| ||||
| 7 | 17.9 | [M + Na]+ 865 | [M + H]+ 843 MS/MS—825 (100), 807 (40), 789 (20), 771 (30), 723 (60), 705 (50) |
Apigenin-6,8-di-C-malonyl glucoside dihexoside isomer |
|
| ||||
| 8 | 19.2 | [M + Na]+ 865 | [M + H]+ 843 MS/MS—825 (80), 807 (40), 789 (30), 771 (20), 723 (70), 705 (100), 687 (40) |
Apigenin-6,8-di-C-malonyl glucoside dihexoside isomer |
|
| ||||
| 9 | 20.2 | [M + Na]+ 865 | [M + H]+ 843 MS/MS—825 (100), 807 (50), 789 (20), 771 (30), 723 (60), 705 (70), 687 (40) |
Apigenin-di-C-malonyl trihexoside isomer |
|
| ||||
| 10 | 20.4 | [M + H]+ 857 MS/MS—839 (100), 803 (30), 737 (40), 719 (30) |
Acacetin-di-C-malonyl trihexoside | |
|
| ||||
| 11 | 21.1 | [M + Na]+ 865 | [M + H]+ 843 MS/MS—825 (90), 807 (50), 789 (30), 771 (25), 723 (100), 705 (60), 687 (10) |
Apigenin-di-C-malonyl trihexoside isomer |
|
| ||||
| 12 | 22.6 | [M + H]+ 563 MS/MS—417 |
Acacetin-8-C-arabinoside-7-O-rhamnoside | |
|
| ||||
| 13 | 24.5 | [M + Na]+ 865 | [M + H]+ 843 MS/MS—825 (100), 807 (50), 789 (10), 771 (20), 723 (70), 705 (60) |
apigenin-di-C-malonyl trihexoside isomer |
|
| ||||
| 14 | 27.0 | [M + Na]+ 617 MS/MS—599 (100), 581 (20) |
[M + H]+ 595 MS/MS—577 (100), 559 (30), 541 (20), 529 (40), 511 (50), 499 (30), 475 (30), 457 (60) |
Vicenin-2 |
|
| ||||
| 15 | 27.5 | [M + Na]+—445 MS/MS—427 (100), 409 (18) |
[M + H]+—423 MS/MS—405 (100), 387 (30), 369 (30), 357 (60), 327 (30) |
Catechin arabinoside |
|
| ||||
| 16 | 28.0 | [M + Na]+ 459 MS/MS—441 |
[M + H]+—437 MS/MS—419 (100), 401 (20), 383 (10), 371 (40), 341 (20) |
Catechin rhamnoside |
|
| ||||
| 17 | 28.5 | [M + H]+ 565 MS/MS—547 (100), 529 (70), 511 (50), 427 (60) |
Apigenin-6,8-di-C-arabinoside glucoside | |
|
| ||||
| 18 | 29.4 | [M + H]+ 547 MS/MS—401 |
Chrysin-8-C-rhamnoside-7-O-rhamnoside | |
|
| ||||
| 19 | 29.8 | [M + H]+ 517 MS/MS—355 (80), 337 (100) |
3,5-Dicaffeoyl quinic acid | |
|
| ||||
| 20 | 31.0 | [M + H]+ 595 MS/MS—577 (100), 567 (70), 551 (90) |
Luteolin-8-C-caffeoyl rhamnoside | |
|
| ||||
| 21 | 33.4 | [M + H]+ 487 | Caffeoylquinic acid-O-arabinoside | |