Table 3

Kovats retention index (RI), retention times (RT), concentration of each component (relative area), and important ions present in the mass spectra of compounds of the identified compounds in the ethanolic extract of geopropolis (EEGP) and its hexane fraction (HF) by gas chromatography–mass spectrometry (GC-MS)
Compound RI RT (min) Relative area (%) Major MS peaks: m/z
EEGP HF
2-propensaeure 3-phenyl-trimethylsilylester 1542 17.84 8.91 3.92 220, 205, 161, 145, 131, 103, 77
1,2-benzenedicarboxylic acid 2543 36.60 NDa 2.24 167, 149, 57
3 43.06 0.68 9.64 591, 589, 499, 445, 73
4 43.79 6.88 8.40 591, 589, 501, 459, 445, 73, 57
5 46.38 3.34 9.06 533, 386, 177, 165, 151, 138, 105, 77, 69, 55
6 46.94 5.79 2.30 495, 459, 417, 105, 77, 73, 69, 57, 55
7 47.29 19.17 10.35 548, 533, 479, 389, 73, 45
8 47.71 29.15 38.98 623, 536, 535, 105, 73, 69
9 47.91 6.93 4.76 623, 533, 551, 461, 407, 105, 77, 73

a Non detected compound.

da Cunha et al.

da Cunha et al. BMC Complementary and Alternative Medicine 2013 13:23   doi:10.1186/1472-6882-13-23

Open Data