Evidence-Based Complementary and Alternative Medicine

Evidence-Based Complementary and Alternative Medicine / 2009 / Article

Original Article | Open Access

Volume 6 |Article ID 653926 | https://doi.org/10.1093/ecam/nem148

Mohammed A. Alshawsh, Ramzi A. Mothana, Hassan A. Al-shamahy, Salah F. Alsllami, Ulrike Lindequist, "Assessment of Antimalarial Activity against Plasmodium falciparum and Phytochemical Screening of Some Yemeni Medicinal Plants", Evidence-Based Complementary and Alternative Medicine, vol. 6, Article ID 653926, 4 pages, 2009. https://doi.org/10.1093/ecam/nem148

Assessment of Antimalarial Activity against Plasmodium falciparum and Phytochemical Screening of Some Yemeni Medicinal Plants

Received15 Jun 2007
Accepted23 Aug 2007

Abstract

Developing countries, where malaria is one of the most prevalent diseases, still rely on traditional medicine as a source for the treatment of this disease. In the present study, six selected plants (Acalypha fruticosa, Azadirachta indica, Cissus rotundifolia, Echium rauwalfii, Dendrosicyos socotrana and Boswellia elongata) commonly used in Yemen by traditional healers for the treatment of malaria as well as other diseases, were collected from different localities of Yemen, dried and extracted with methanol and water successfully. The antiplasmodial activity of the extracts was evaluated against fresh clinical isolates of Plasmodium falciparum. The selectivity parameters to evaluate the efficacy of these medicinal plants were measured by in vitro micro test (Mark III) according to World Health Organization (WHO) 1996 & WHO 2001 protocols of antimalarial drug tests. Among the investigated 12 extracts, three were found to have significant antiplasmodial activity with IC50 values less than 4 µg/ml, namely the water extracts of A. fruticosa, A. indica and D. socotrana. Six extracts showed moderate activity with IC50 values ranging from 10 to 30 µg/ml and three appeared to be inactive with IC50 values more than 30 µg/ml. In addition, preliminary phytochemical screening of the methanolic and aqueous extracts indicated the presence of saponins, tannins, flavonoids, terpenoids, polysaccharides and peptides.

Copyright © 2009 Mohammed A. Alshawsh et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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