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Falcipain 2 inhibitors and antiplasmodial compounds from a bio-guided fractionation of the fruits of Sorindeia juglandifolia A. Rich. (Anacardiaceae) growing in Cameroon
© Boyom et al; licensee BioMed Central Ltd. 2010
- Published: 20 October 2010
- Plasmodium Falciparum
- Fresh Fruit
- Antimalarial Activity
Discovering new lead compounds with the potential to become usable drugs against malaria is a crucial step to ensuring a sustainable global pipeline for innovative products. We describe here the results of an antimalarial activity-driven fractionation of the fruits of Sorindeia juglandifolia growing in Cameroon.
Fresh fruits were collected by an ethnobotanist in Yaoundé area in May 2009. The plant was dried at Room Temperature during 7 days, powdered and extracted using organic solvents. The extract was fractionated by flash chromatography over silica gel (70-230 mesh, Merck, 7 x 42 cm), eluting with gradients of hexane-ethyl acetate mixtures, and resulted in 35 fractions, which were pooled on the basis of thin layer chromatography patterns. Resulting fractions were tested in vitro against the Plasmodium falciparum chloroquine-resistant strain W2, and the recombinant cysteine protease Falcipain 2 (F2) . Two fractions showed the best potency and were selected for phytochemical investigation guided by biological activity.
The isolated compounds have not been previously investigated for antimalarial activity, and therefore suggesting further investigation.
This article is published under license to BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.