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 |