In vitro activity of an essential oil against Leishmania donovani
L Monzote1, M García, A M Montalvo
1Departamento de Parasitología, Instituto de Medicina Tropical Pedro Kourí, Ciudad de la Habana, Cuba. monzote@ipk.sld.cu
Abstract:
The in vitro antileishmanial effect of the essential oil from Chenopodium ambrosioides against Leishmania donovani was investigated. The product showed significant activity against promastigotes and amastigotes, with a 50% effective concentration of 4.45 and 5.1 microg/mL, respectively. The essential oil caused an irreversible inhibition of the growth of promastigotes after a treatment with 100 or 10 microg/mL for 1 or 24 h, respectively. The phagocytic activity of the macrophages was preserved at a concentration toxic to the parasite. The essential oil from C. ambrosioides may be a potential candidate drug to development a new agent to combat this parasitic disease.
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