Research Article

In Vitro Study of Antiamoebic Activity of Methanol Extracts of Argemone mexicana on Trophozoites of Entamoeba histolytica HM1-IMSS

Figure 3

Chromatograms and mass spectra obtained for fraction D. LC-MS/MS fragmentogram and MS/MS spectra obtained for (a) berberine (m/z 336) and (b) jatrorrhizine (m/z 338) in fraction D.
(a)
(b)