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Table 1 Composition of potential compounds in the water fraction of E.longifolia using LCMS/MS

From: Tongkat Ali (Eurycoma longifolia): a possible therapeutic candidate against Blastocystis sp.

Class Identified compound RT (min) Chemical formula
Quassinoids 13 β,18-Dihydroeurycomanol 1.71 C20H28O9
13,21-Dihydroeurycomanone 3.3 C20H26O9
16-α-o-Methylneoquassin 3.1 C15H24O4
3,4-Dihydrochaparrinonea 3.75 C19H24O9
Eurycomalactone 5.9 C19H24O6
Laurycolactone Ba 6.5 C18H20O5
Canthin-6-one alkaloids Canthin-6-onea 7.45 C14H8N2O
β-carboline alkaloids 1-Methoxymethyl-beta-carboline 4.75 C13H12N2O3
  7-hydroxy-beta-carboline 1-propionic acid 4.4 C14H12N2O3
  β-Carboline-1-propionic acida 4.5 C14H12N2O2
  1. aCompounds found in both water and ethyl acetate fractions