Structure and in Vitro Antiparasitic Activity of Constituents of Citropsis articulata Root Bark

From the results of an ethnomedicinal investigation of plants from Uganda with antimalarial activity, Citropsis articulata was selected because of the antiplasmodial effect of an ethyl acetate extract of its root bark. Thus, from the cyclohexane, ethyl acetate, and methanol extracts, two new heteroc...

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Veröffentlicht in:Journal of natural products (Washington, D.C.) D.C.), 2011-10, Vol.74 (10), p.2286-2289
Hauptverfasser: Lacroix, Damien, Prado, Soizic, Kamoga, Dennis, Kasenene, John, Bodo, Bernard
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container_issue 10
container_start_page 2286
container_title Journal of natural products (Washington, D.C.)
container_volume 74
creator Lacroix, Damien
Prado, Soizic
Kamoga, Dennis
Kasenene, John
Bodo, Bernard
description From the results of an ethnomedicinal investigation of plants from Uganda with antimalarial activity, Citropsis articulata was selected because of the antiplasmodial effect of an ethyl acetate extract of its root bark. Thus, from the cyclohexane, ethyl acetate, and methanol extracts, two new heterocyclic compounds, omubioside (1) and katimborine (2), were isolated in addition to five known coumarins (rutarin (3), seselin (4), suberosin (5), demethylsuberosin (6), and haploperoside (7)), two known alkaloids (5-hydroxynoracronycine (8) and 1,5-dihydroxy-2,3-dimethoxy-10-methyl-9-acridone (9)), trigonelline (10), and the limonoid 7α-obacunyl acetate (11). The best growth inhibitors of Plasmodium falciparum were alkaloids 8 and 9, with IC50 values of 0.9 and 3.0 μg/mL.
doi_str_mv 10.1021/np2004825
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subjects Alkaloids - chemistry
Alkaloids - isolation & purification
Animals
Antimalarials - chemistry
Antimalarials - isolation & purification
Antimalarials - pharmacology
Articulata
Biological and medical sciences
Cercopithecus aethiops
Coumarins - chemistry
Coumarins - isolation & purification
Coumarins - pharmacology
General pharmacology
Glycosides - chemistry
Glycosides - isolation & purification
Glycosides - pharmacology
Inhibitory Concentration 50
Leishmania donovani - drug effects
Medical sciences
Parasitic Sensitivity Tests
Pharmacognosy. Homeopathy. Health food
Pharmacology. Drug treatments
Plant Roots - chemistry
Plasmodium falciparum
Plasmodium falciparum - drug effects
Rutaceae - chemistry
Uganda
Vero Cells
title Structure and in Vitro Antiparasitic Activity of Constituents of Citropsis articulata Root Bark
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