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Journal of Natural Medicines

, Volume 63, Issue 2, pp 232–239 | Cite as

Antiplasmodial and antitrypanosomal activity of plants from the Kingdom of Saudi Arabia

  • Essam Abdel-SattarEmail author
  • Fathalla M. Harraz
  • Soliman M. A. Al-Ansari
  • Sahar El-Mekkawy
  • Chikara Ichino
  • Hiroaki Kiyohara
  • Kazuhiko Otoguro
  • Satoshi Omura
  • Haruki Yamada
Natural Resource Letter

Abstract

The antiplasmodial and antitrypanosomal activity of the methanol extracts of 42 plants collected from the Kingdom of Saudi Arabia and some fractions obtained thereof were evaluated. The antiplasmodial activity was tested in vitro against chloroquine-resistant strain (K1) and sensitive strain (FCR3), and the antitrypanosomal activity was tested in vitro against Trypanosoma brucei brucei GUTat 3.1 strain. For host cells, the cytotoxicity of the active extracts was also evaluated against the MRC5 human cell line. Only extracts of three samples demonstrated good antiplasmodial activity (IC50 < 12.5 and > 1.56 μg/ml, score 2), the methanol extracts of Lycium shawii, Heliotropium zeylanicum and the petroleum ether-soluble fraction of the methanol extract of Caralluma tuberculata, while extracts of the remaining 42 plants were inactive (IC50 > 12.5 μg/ml, score 1). As for the antitrypanosomal activity, the methanol extract of Solanum schimperianum demonstrated the highest activity (IC50 0.061 μg/ml), followed by the petroleum ether-soluble fraction of the methanol extract of C. tuberculata (IC50 0.5 μg/ml). The chloroform-soluble fraction of the methanol extract of C. tuberculata was moderately active (IC50 3.5 μg/ml), with low cytotoxicity (IC50 62.6 μg/ml) and moderate selectivity index (SI 17.9). The methanolic extracts of 34 plants showed good activity with score 2 (IC50 < 12.5 and > 1.56 μg/ml), while the extracts of seven plants were inactive (IC50 > 12.5 μg/ml, score 1).

Keywords

Screening Antimalarial activity Antitrypanosomal activity Cytotoxicity 

Notes

Acknowledgments

We gratefully acknowledge the Deanship of Scientific Research, King Abdulaziz University, KSA, for funding project no. 427/041 and the Japanese Program for Research and Training in Tropical Diseases (TDR/WHO, antimalarial project) and Drugs for Neglected Diseases initiative (DNDi, antitrypanosoma project) for grant funding and a grant for All Kitasato Project Study (AKPS). The authors wish to thank Dr. Abdulaziz Fayed, Professor of Plant Taxonomy, College of Science, Assuit University, Egypt, for the identification of plant materials, Ms. Aki Ishiyama, Ms. Hitomi Sekiguchi, Ms. Miyuki Namatame, and Ms. Aki Nishihara for their technical assistance, and Prof. T. Kinoshita (Osaka University, Japan) for the generous gift of Trypanosoma brucei brucei S427 strain.

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Copyright information

© The Japanese Society of Pharmacognosy and Springer 2008

Authors and Affiliations

  • Essam Abdel-Sattar
    • 1
    Email author
  • Fathalla M. Harraz
    • 1
  • Soliman M. A. Al-Ansari
    • 2
  • Sahar El-Mekkawy
    • 3
  • Chikara Ichino
    • 4
  • Hiroaki Kiyohara
    • 4
  • Kazuhiko Otoguro
    • 5
  • Satoshi Omura
    • 6
  • Haruki Yamada
    • 4
  1. 1.Department of Natural Products, Faculty of PharmacyKing Abdulaziz UniversityJeddahKingdom of Saudi Arabia
  2. 2.Department of Microbiology, Faculty of Medicine and Allied SciencesKing Abdulaziz UniversityJeddahKingdom of Saudi Arabia
  3. 3.Department of Chemistry of Natural CompoundsNational Research CentreDokki, GizaEgypt
  4. 4.Kitasato Institute for Life SciencesKitasato UniversityTokyoJapan
  5. 5.Research Centre for Tropical DiseasesThe Kitasato InstituteTokyoJapan
  6. 6.The Kitasato InstituteTokyoJapan

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