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Ars Pharmaceutica (Internet)
versión On-line ISSN 2340-9894
Resumen
GONZALEZ-MADARIAGA, Yisel et al. In vivo anti-inflammatory effect of saponin-enriched fraction from Agave brittoniana Trel subspecie brachypus. Ars Pharm [online]. 2020, vol.61, n.4, pp.231-237. Epub 11-Ene-2021. ISSN 2340-9894. https://dx.doi.org/10.30827/ars.v61i4.15352.
Introduction:
Agave brittoniana Trel species. subsp. brachypus is characterized by its high content of steroidal saponins and these metabolites have anti-inflammatory properties. However, no previous studies indicate that extracts rich in saponins from this species have anti-inflammatory effect in vivo models.
Method:
Steroidal saponins in n-butanolic extract were obtained from a hydroalcoholic extract of Agave brittoniana. Phytochemical studies were used to verify the saponins presence. Doses of 25, 50 and 100 mg/kg were used in the acute model of edema induced by carrageenan and in the chronic model of cotton pellet-induced granuloma. Five groups of six male Sprague-Dawley rats each were designed by each in vivo study: three groups for saponin-enriched fraction at different doses, a normal control group and a positive control, which was treated with indomethacin. The inhibition percentage of the inflammatory reaction was the major answer variable.
Results:
The acute model of carrageenan-induced rat paw edema indicated that the groups corresponding to the doses of 50 and 100 mg/kg of saponin-enriched fraction showed the highest percentages of inhibition, after three hours of treatment. According to the chronic model results, saponins-enriched butanolic extract showed anti-inflammatory activity by reducing the dry weight of the granuloma and increasing the inhibition percentage.
Conclusions:
Saponin-enriched fraction from Agave brittoniana T. subsp. brachypus, have an anti-inflammatory effect in acute and chronic experimental models.
Palabras clave : saponins; Agave; anti-inflammatory; carrageenan; granuloma.