Evidence-Based Complementary and Alternative Medicine / 2019 / Article / Tab 1

Research Article

Brain Cortical and Hippocampal Dopamine: A New Mechanistic Approach for Eurycoma longifolia Well-Known Aphrodisiac Activity and Its Chemical Characterization

Table 1

Peak assignments of E. longifolia aqueous extract metabolites using UPLC-MS/MS in positive and negative ionization modes.

Peak (min)[M-H]-[M+H]-Molecular formulaIdentificationMS2

115.01351.100Eurycolactone B352.000, 315.010, 290.800

220.05365.0006α-Hydroxyeurycomalactone347.000, 318.900, 202.100

321.92409.000Eurycomanone391.000, 373.200, 345.100, 225.000

423.63411.100413.20013β,18-dihydroeurycomanol395.100, 376.800, 319.000, 291.200

523.90443.30013β,21-dihydroxyeurycomanol427.100, 413.000, 379.300

624.21571.100573.100Eurycomanol-2-O-β-D-glucopyranoside375.200, 357.000, 299.100

729.54383.20015β-Hydroxyklaineanone365.100, 326.800, 266.000, 202.100

829.98395.10014,15β-Dihydroxyklaineanone377.000, 359.100, 349.300

938.36413.1005α, 14β, 15β-Trihydroxyklaineanone395.200

1038.43315.100Laurycolactone B271.200, 256.001

1145.76455.1026α-Acetoxy-14,15β-dihydroxyklaineanone454.100, 436.000

1245.91391.100(α/β-epoxide) Ailanthone373.100, 363.200

1346.18573.122Iandonoside B555.000, 513.900

1446.52251.2009-Methoxycanthin-6-one236.100, 233.000, 216.200

1546. 69279.0005,9-Dimethoxycanthin-6-one264.000, 251.100, 237.000

1647.45265.10011-Hydroxy-10-methoxycanthin-6-one250.200, 247.300, 222.200

1747.91389.0002-Hydroxy-3,2′,6′-trimethoxy-4′-(2,3-epoxy-1-hydroxypropyl)-5-(3-hydroxy-1-propenyl)-biphenyl371.110, 357.001, 343.100, 295.000