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

13.9[M + H]+ 443
MS/MS—291
Catechin-3-O-gallate

25.6[M + Na]+—365[M + H]+—343Caffeoyl glucoside

36.5[M + H]+—415
MS/MS—397 (100), 379 (40), 361 (30), 331 (50)
7-Methoxy-5-hydroxy-8-C-flavone rhamnoside

415.5[M + H]+ 430
MS/MS—412 (100), 385 (70), 367 (10), 315 (20)
7(3-Methoxy-2-methylbutyryl)-9-echimidinylretronecine or methoxy echimidine derivative

516.0[M + H]+ 444
MS/MS—426 (100), 399 (20)
7(3-Ethoxy-2-methylbutyryl)-9-echimidinylretronecine or ethoxy echimidine derivative

616.5[M + H]+ 619
MS/MS—601 (80), 583 (20), 565 (20), 535 (100)
Acacetin-di-C-acetyl dirhamnoside

717.9[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

819.2[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

920.2[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

1020.4[M + H]+ 857
MS/MS—839 (100), 803 (30), 737 (40), 719 (30)
Acacetin-di-C-malonyl trihexoside

1121.1[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

1222.6[M + H]+ 563
MS/MS—417
Acacetin-8-C-arabinoside-7-O-rhamnoside

1324.5 M + Na]+ 865M + H]+ 843 
MS/MS—825 (100), 807 (50), 789 (10), 771 (20), 723 (70), 705 (60)
apigenin-di-C-malonyl trihexoside isomer

1427.0 [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

1527.5[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

1628.0[M + Na]+ 459
MS/MS—441
[M + H]+—437
MS/MS—419 (100), 401 (20), 383 (10), 371 (40), 341 (20)
Catechin rhamnoside

1728.5[M + H]+ 565
MS/MS—547 (100), 529 (70), 511 (50), 427 (60)
Apigenin-6,8-di-C-arabinoside glucoside

1829.4[M + H]+ 547
MS/MS—401
Chrysin-8-C-rhamnoside-7-O-rhamnoside

1929.8[M + H]+ 517
MS/MS—355 (80), 337 (100)
3,5-Dicaffeoyl quinic acid

2031.0[M + H]+ 595
MS/MS—577 (100), 567 (70), 551 (90)
Luteolin-8-C-caffeoyl rhamnoside

2133.4[M + H]+ 487Caffeoylquinic acid-O-arabinoside