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  • Title: Antimalarial properties of Artemisia vulgaris L. ethanolic leaf extract in a Plasmodium berghei murine malaria model.
    Author: Bamunuarachchi GS, Ratnasooriya WD, Premakumara S, Udagama PV.
    Journal: J Vector Borne Dis; 2013 Dec; 50(4):278-84. PubMed ID: 24499850.
    Abstract:
    BACKGROUND & OBJECTIVES: Artemisinin isolated from Artemisia annua is the most potent antimalarial drug against chloroquine-resistant Plasmodium falciparum malaria. Artemisia vulgaris, an invasive weed, is the only Artemisia species available in Sri Lanka. A pilot study was undertaken to investigate the antiparasitic activity of an A. vulgaris ethanolic leaf extract (AVELE) in a P. berghei ANKA murine malaria model that elicits pathogenesis similar to falciparum malaria. METHODS: A 4-day suppressive and the curative assays determined the antiparasitic activity of AVELE using four doses (250, 500, 750 and 1000 mg/kg), Coartem® as the positive control and 5% ethanol as the negative control in male ICR mice infected with P. berghei. RESULTS: The 500, 750 and 1000 mg/kg doses of AVELE significantly (p ≤ 0.01) inhibited parasitaemia by 79.3, 79.6 and 87.3% respectively, in the 4-day suppressive assay, but not in the curative assay. Chronic administration of the high dose of AVELE ruled out overt signs of toxicity and stress as well as hepatotoxicity, renotoxicity and haematotoxicity. INTERPRETATION & CONCLUSION: The oral administration of a crude ethonolic leaf extract of A. vulgaris is non-toxic and possesses potent antimalarial properties in terms of antiparasitic activity.
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