Table 1

Mass spectrometry of the G. mangostana xanthones extract
Peak No Retention time (min) % Intensity Isotopic pattern [M-H]- (m/z) Molecular formula Compounds
1 7.4 ± 0.006 1.4 ± 0.1 413.1408 C23H26O7 Garcinone C
414.1443
415.1397
2 7.8 ± 0.001 15.6 ± 1.6 395.1308 C23H24O6 γ-mangostin
396.1338
397.1360
3 8.8 ± 0.013 1.2 ± 0.1 379.1370 C23H24O5 8-deoxygartanin
380.1381
381.1440
4 9.2 ± 0.001 80.8 ± 1.6 409.1452 C24H26O6 α-mangostin
410.1489
411.1526
5 13.5 ± 0.005 0.9 ± 0.03 423.1604 C25H28O6 β-mangostin
424.1631
425.1667

The mass was recorded in the negative ion mode (n = 4).

Aisha et al.

Aisha et al. BMC Complementary and Alternative Medicine 2012 12:104   doi:10.1186/1472-6882-12-104

Open Data