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Title: Antimalarial activity of medicinal plants used in traditional medicine in S. Tomé and Prí­ncipe islands
Authors: Madureira, Maria do Céu de 
Martins, Ana Paula 
Gomes, Milene 
Paiva, Jorge 
Cunha, António Proença da 
Rosário, Virgílio do 
Keywords: Antimalarial activity; Medicinal plants; Struchium sparganophorum; Tithonia diversifolia; Pycnanthus angolensis; Morinda lucida
Issue Date: 2002
Citation: Journal of Ethnopharmacology. 81:1 (2002) 23-29
Abstract: The present study investigates the antimalarial activity of 13 medicinal plants used in traditional medicine in S. Tomé and Prí­ncipe (STP) islands in the Gulf of Guinea, aiming at identifying the most effective plants for further research. Fieldwork was carried out with the collaboration of 37 traditional healers from both islands, during an ethnobotanical study, which was conducted from 1993 to 1999. Our results indicate that the traditional healers in STP use several medicinal plants against fever and/or [`]malaria' which reveal strong antiparasitic activity in vitro: four of the plant extracts have evident antiplasmodial activity against chloroquine resistant Plasmodium falciparum, with IC50 values <10 [mu]g/ml, and also revealed hepatic schizontocidal activity (<5-35 [mu]g/ml). In vivo, the extracts caused partial reduction of Plasmodium berghei parasitaemia in mice.
DOI: 10.1016/S0378-8741(02)00005-3
Rights: openAccess
Appears in Collections:FFUC- Artigos em Revistas Internacionais

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