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Revista Brasileira de Farmacognosia

Print version ISSN 0102-695X


AFSHAR, Fariba H. et al. Evaluation of antimalarial, free-radical-scavenging and insecticidal activities of Artemisia scoparia and A. Spicigera, Asteraceae. Rev. bras. farmacogn. [online]. 2011, vol.21, n.6, pp.986-990.  Epub Aug 12, 2011. ISSN 0102-695X.

Artemisia species (Asteraceae), widespread throughout the world, are a group of important medicinal plants. The extracts of two medicinal plants of this genus, Artemisia scoparia Waldst. & Kit. and A. spicigera C. Koch, were evaluated for potential antimalarial, free-radical-scavenging and insecticidal properties, using the heme biocrystallisation and inhibition assay, the DPPH assay and the contact toxicity bioassay using the pest Tribolium castaneum, respectively. The methanol extracts of both species showed strong free-radical-scavenging activity and the RC50 values were 0.0317 and 0.0458 mg/mL, respectively, for A. scoparia and A. spicigera. The dichloromethane extracts of both species displayed a moderate level of potential antimalarial activity providing IC50 at 0.778 and 0.999 mg/mL for A. scoparia and A. spicigera, respectively.  Both species of Artemisia showed insecticidal properties. However, A. spicigera was more effective than A. scoparia.

Keywords : Artemisia scoparia; Artemisia spicigera; Asteraceae; DPPH; antimalaria; insecticide.

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