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      Prospección fitoquímica y actividad antiplasmódica del extracto hexánico de Montrichardia linifera (Arruda) Schott Translated title: Phytochemical prospection and antiplasmoidal activity of the hexane extract from Montrichardia linifera (Arruda) Schott

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          Abstract

          Introducción: los extractos de M. linifera presentaron alta toxicidad para Artemia salina, lo cual sugiere un alto potencial biológico para actividad antitumoral, antibacteriana, antifúngica y actividad contra el Trypanosoma cruzi. Objetivo: evaluar el potencial antimalárico del extracto hexánico obtenido de hojas de Montrichardia linifera (Arruda) Schott y conocer su perfil fitoquímico. Métodos: la prospección fitoquímica se realizó por el método de precipitación y la actividad antiplasmódica fue evaluada in vitro utilizando el clon W2 de Plasmodium falciparum. Resultados: la prospección fitoquímica sugirió solamente la presencia de esteroides. En relación con la actividad antiplasmódica, después de 24 h en la concentración de 100 µg/mL la inhibición del crecimiento parasitario fue de 50,5 % y en las demás no fue observada una inhibición significativa. En 48 h, en la concentración de 100 µg/mL, la inhibición del crecimiento fue de 34,7 %. Después de 72 h las concentraciones de 100 y 50 µg/mL presentaron hemólisis, que imposibilitó la determinación porcentual parasitada. Conclusiones: el extracto hexánico obtenido de las hojas de M. linifera tiene un bajo potencial antimalárico y mostró positivamente esteroides.

          Translated abstract

          Introduction: Montrichardia linifera extracts showed high toxicity to Artemia salina, which indicated high biological potential for antitumoral, antibacterial, antifungal activities, and action against Trypanossoma cruzi. Objective: to evaluate the antimalarial potential of the hexane extract from the Montrichardia linifera (Arruda) Schott leaves and to discover its phytochemical profile. Methods: the phytochemical prospection was conducted by the precipitation method whereas the antiplasmodial activity was evaluated in vitro using the W2 Plasmodium falciparum clone. Results: the phytochemical prospection just suggested the presence of steroids. Regarding the antiplasmodial activity after 24 hours at 100 µg/mL concentration, the parasite growth inhibition was 50.5 % but at other concentration ranges, significant inhibition was not observed. At 48 hours, the growth inhibition at 100 µg/mL concentrations was 34.7 %. After 72 hours, hemolysis was observed at 100 µg/mL and 50 µg/mL concentrations, so the percentage determination of the parasites was not possible. Conclusions: the hexane extract obtained from the M. linifera leaves presented with low antimalarial potential and proved to be positive for steroids.

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          Human malaria parasites in continuous culture

          Plasmodium falciparum can now be maintained in continuous culture in human erythrocytes incubated at 38 degrees C in RPMI 1640 medium with human serum under an atmosphere with 7 percent carbon dioxide and low oxygen (1 or 5 percent). The original parasite material, derived from an infected Aotus trivirgatus monkey, was diluted more than 100 million times by the addition of human erythrocytes at 3- or 4-day intervals. The parasites continued to reproduce in their normal asexual cycle of approximately 48 hours but were no longer highly synchronous. The have remained infective to Aotus.
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                Author and article information

                Journal
                pla
                Revista Cubana de Plantas Medicinales
                Rev Cubana Plant Med
                ECIMED (Ciudad de la Habana, , Cuba )
                1028-4796
                June 2011
                : 16
                : 2
                : 135-139
                Affiliations
                [03] Ananindeua, PA orgnameInstituto Evandro Chagas Brasil
                [02] Belém, PA orgnameMuseu Paraense Emílio Goeldi Brasil
                [01] Belém, PA orgnameUniversitário do Estado do Pará Brasil
                Article
                S1028-47962011000200002 S1028-4796(11)01600202
                05db8a5f-f6fe-453d-a94d-d6241e98c7a0

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 30 August 2010
                : 30 December 2010
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 11, Pages: 5
                Product

                SciELO Cuba

                Self URI: Texto completo solamente en formato PDF (ES)
                Categories
                ARTÍCULOS ORIGINALES

                Plasmodium falciparum y esteroides,Montrichardia linifera,Plasmodium falciparum and steroids

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