Validación del uso tradicional de especies de Asclepias contra el veneno de Bothrops diporus (yarará chica) en el Nordeste de Argentina
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MS EDITIONS
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La familia Asclepiadaceae posee tradición en etnomedicina. En el nordeste argentino, A.mellodora y A. curassavica se utilizan
como cataplasmas en accidentes de ofidios. En este trabajo, los extractos acuosos, etanólicos y hexánicos de A. mellodora y A. curassavica
se evaluaron por SDS-PAGE para determinar su actividad alexitérica. El estudio in vitro de la capacidad inhibitoria de las actividades
proteolítica, hemolítica indirecta y coagulante permitieron determinar que ambas especies manifiestan actividad, siendo A. mellodora más
activa. Estadísticamente los extractos de A. mellodora fueron igualmente activos contra el veneno de Bothrops diporus y no mostraron
diferencias significativas respecto del órgano utilizado en la inhibición de la actividad coagulante. Este resultado está en consonancia con la
forma tradicional de su uso como cataplasma. Sobre el extracto etanólico de las raíces de A. mellodora se realizó un fraccionamiento
bioguiado que permitió identificar fracciones de compuestos responsables de la actividad.
The Aclepiadaceae family has been reported by its use in ethnomedicine. In the northeast of Argentina, A. mellodora and A. curassavica are traditionally used in ofidic accidents as poultices. In this work, aqueous, alcoholic and hexanoic extracts were analyzed by SDS-PAGE to determine their anti-snake activity. The in vitro study of the inhibitory ability of the following activities: proteolytic, indirect hemolytic activity and inhibition of the coagulant activity, allowed demonstrating that both species were active against venom, being A. mellodora the most active. Statistically, all extracts of A. mellodora were active against venom in the inhibition of the coagulant activity, without significant differences with respect to the organ used; which is consistent with the traditional use as external poultice. The alcoholic extract of A. mellodora roots was subjected to a bio-guided separation. The fractions obtained were enriched in compounds which could probably be responsible for the activity against venom.
The Aclepiadaceae family has been reported by its use in ethnomedicine. In the northeast of Argentina, A. mellodora and A. curassavica are traditionally used in ofidic accidents as poultices. In this work, aqueous, alcoholic and hexanoic extracts were analyzed by SDS-PAGE to determine their anti-snake activity. The in vitro study of the inhibitory ability of the following activities: proteolytic, indirect hemolytic activity and inhibition of the coagulant activity, allowed demonstrating that both species were active against venom, being A. mellodora the most active. Statistically, all extracts of A. mellodora were active against venom in the inhibition of the coagulant activity, without significant differences with respect to the organ used; which is consistent with the traditional use as external poultice. The alcoholic extract of A. mellodora roots was subjected to a bio-guided separation. The fractions obtained were enriched in compounds which could probably be responsible for the activity against venom.
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Ricciardi Verrastro, Bárbara Verónica, Torres, Ana M., Camargo, Francisco José y Dellacassa, Eduardo Santiago, 2016. Validación del uso tradicional de especies de Asclepias contra el veneno de Bothrops diporus (yarará chica) en el Nordeste de Argentina. Boletín Latinoamericano y del Caribe de Plantas Medicinales y Aromáticas. Lampa: MS EDITIONS, vol. 15, no. 2, p. 112-121. ISSN 0717 7917.
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