Antimalarial activity of medicinal plants used in traditional medicine in S. Tome and Principe islands

被引:110
作者
de Madureira, MD [1 ]
Martins, AP
Gomes, M
Paiva, J
da Cunha, AP
do Rosário, V
机构
[1] Univ Coimbra, Fac Farm, Dept Farmacognosia, P-3000 Coimbra, Portugal
[2] Univ Nova Lisboa, Inst Higiene & Med Trop, Ctr Malaria & Outras Doencas Trop, P-1349008 Lisbon, Portugal
关键词
antimalarial activity; medicinal plants; Struchium sparganophorum; Tithonia diversifolia; Pycnanthus angolensis; Morinda lucida;
D O I
10.1016/S0378-8741(02)00005-3
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The present study investigates the antimalarial activity of 13 medicinal plants used in traditional medicine in S. Tome and Principe (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 mug/ml, and also revealed hepatic schizontocidal activity ( < 5-35 mug/ml). In vivo, the extracts caused partial reduction of Plasmodium berghei parasitaemia in mice. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved.
引用
收藏
页码:23 / 29
页数:7
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