Evaluation of the leishmanicide action of ethanol extracts of Crotalaria retusa L. (Fabaceae)
The purpose of the present work is to conduct an evaluation of the cytotoxicity of ethanol extracts and the total alkaloid fraction (TAF) from Crotalaria retusa for procyclic promastigotes cells of Leishmania chagasi. The kinetic study of extraction assisted by ultrasound of the total alkaloids pres...
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| Veröffentlicht in: | Revista brasileira de farmacognosia 2009-03, Vol.19 (1a), p.51-56 |
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| creator | Rocha, Louisianny Guerra da Aragão, Cícero Flávio Soares Loiola, Maria Iracema Bezerra Bezerril, Renata Aracyl Paiva, Nara Ruth Freitas Holanda, Cecília Maria Carvalho Xavier de Brito, Maria Edileuza Felinto de |
| description | The purpose of the present work is to conduct an evaluation of the cytotoxicity of ethanol extracts and the total alkaloid fraction (TAF) from Crotalaria retusa for procyclic promastigotes cells of Leishmania chagasi. The kinetic study of extraction assisted by ultrasound of the total alkaloids present in Crotalaria retusa made it possible the optimization of the extraction parameters. It was evaluated the leishmanicide action of the TAF which did not show toxic activity for cells of the parasite in high concentrations. It was observed a powerful leishmanicide action of the ethanol extracts (10 and 30%) after the concentration of 5.6 mg/mL of Crotalaria retusa, and the ethanol present in the extractive solution (10 and 30%) in the concentration from 70 and 210 x 10-4 %, respectively. These results suggest that the cytotoxicity of the ethanol extract of Crotalaria retusa at 10 and 30% for cells of Leishmania chagasi, can be associated only to the concentration of the alcohol present in the extract. |
| doi_str_mv | 10.1590/S0102-695X2009000100012 |
| format | Article |
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It was evaluated the leishmanicide action of the TAF which did not show toxic activity for cells of the parasite in high concentrations. It was observed a powerful leishmanicide action of the ethanol extracts (10 and 30%) after the concentration of 5.6 mg/mL of Crotalaria retusa, and the ethanol present in the extractive solution (10 and 30%) in the concentration from 70 and 210 x 10-4 %, respectively. 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| subjects | PHARMACOLOGY & PHARMACY |
| title | Evaluation of the leishmanicide action of ethanol extracts of Crotalaria retusa L. (Fabaceae) |
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