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Bol. latinoam. Caribe plantas med. aromát ; 10(1): 23-29, ene. 2011. tab
Article in English | LILACS | ID: lil-686897

ABSTRACT

Chloroform, methanol and aqueous extracts of Penstemon roseus and Senna crotalarioides were investigated for their anti-inflammatory and antioxidant properties. The aqueous extract had no activity on TPA-induced ear edema, but the chloroform and methanol extracts of both plants caused a significant inhibition of the edema. The chloroform extracts showed activity on carrageenan-induced paw edema and mouse ear edema induced by multiple topical applications of TPA, and only P. roseus (dose of 100 mg/kg) exhibited anti-arthritic activity. The methanol extracts of P. roseus and S. crotalarioides had the most activity in the DPPH and reducing power tests. The LD50 values in mice of both chloroform extracts were considerate as slight acute toxic and higher than the doses used in this study.


Las propiedades antiinflamatorias y antioxidantes de los extractos de cloroformo, metanol y agua de Penstemon roseus y Senna crotalarioides fueron investigadas. El extracto acuoso no tuvo actividad sobre el edema auricular inducido con TPA, pero el extracto de cloroformo y etanol de ambas plantas inhibieron significativamente el edema. El extracto de cloroformo mostró actividad sobre el edema plantar inducido con carragenina y el edema auricular en ratón inducido por múltiples aplicaciones de TPA, y solo P. roseus y S. crotalarioides tuvieron la mejor actividad en las pruebas de DPPH y poder reductor. Los valores de la DL50 en ratón de ambos extractos de cloroformo son considerados con ligera toxicidad aguda y mayores que las dosis empleadas en el estudio.


Subject(s)
Animals , Mice , Rats , Anti-Inflammatory Agents , Antioxidants/pharmacology , Plant Extracts/pharmacology , Penstemon/chemistry , /chemistry , Chloroform , Methanol , Plants, Medicinal , Rats, Wistar , Water
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