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In vitro and in vivo antioxidant potentials of the methanolic crude extract from Inula glomerata Oliv. & Hiern (Asteraceae) and Salacia kraussii (Harv) Harv (Celastraceae) / Potenciales antioxidantes in vitro e in vivo del extracto crudo metanólico de Inula glomerata Oliv. & Hiern. (Asteraceae) y Salacia kraussii (Harv) Harv (Celastraceae)
Ojo, Michael C; Osunsanmi, Foluso O; Cele, Nkosinathi D; Zharare, Godfrey E; Mosa, Rebamang A; Opoku, Andy R.
  • Ojo, Michael C; University of Zululand. Department of Biochemistry and Microbiology. ZA
  • Osunsanmi, Foluso O; University of Zululand. Department of Agricultural Science. ZA
  • Cele, Nkosinathi D; University of Zululand. Department of Biochemistry and Microbiology. ZA
  • Zharare, Godfrey E; University of Zululand. Department of Agricultural Science. ZA
  • Mosa, Rebamang A; University of Pretoria. Faculty of Natural & Agricultural Science. Biochemistry, Genetics & Microbiology Department. ZA
  • Opoku, Andy R; University of Zululand. Department of Biochemistry and Microbiology. ZA
Bol. latinoam. Caribe plantas med. aromát ; 20(4): 416-426, jul. 2021. tab, ilus
Article in English | LILACS | ID: biblio-1369485
ABSTRACT
Reactive oxygen species are implicated in multiple pathological conditions including erectile dysfunction. This study evaluated the in vitro and in vivo antioxidant potential of the methanolic extracts of Inula glomerata and Salacia kraussii. The plant materials were pulverized and extracted with methanol. The phytochemical analysis, ability of the crude extracts to scavenge free radicals (ABTS, DPPH, NO.) in vitroas well as the total phenolic and flavonoid contents was investigated. In vivo, antioxidant potentials of the crude extracts (50/250 mg/kg body weight) were determined in an erectile dysfunction rat model. The phytochemical analysis revealed that both plants contain flavonoids, tannins, terpenoids, and alkaloids. The crude extracts at varying degree of efficiency, scavenged ABTS and DPPH radicals. The crude extracts at low concentrations (50 mg/kg b.w) significantly (p<0.05) diminished the level of malondialdehyde, augmented catalase activities and elevated glutathione levels. However, SOD activities were significantly boosted in a dose-dependent manner by the crude extracts. Therefore, I. glomerataand S. kraussiipossess antioxidant properties, hence, can serve as a therapeutic modality in the treatment of oxidative stress-induced erectile dysfunction.
RESUMEN
Las especies reactivas de oxígeno están implicadas en múltiples condiciones patológicas, incluyendo la disfunción eréctil. Este estudio evaluó el potencial antioxidante in vitro e in vivo de extractos metanólicos de Inula glomeratay Salacia kraussii. Los materiales vegetales fueron pulverizados y extraídos con metanol. A estos extractos crudos se les llevó a cabo el análisis fitoquímico junto con el contenido total de fenólicos y flavonoides, así como se les investigó la capacidad in vitro para atrapar radicales (ABTS, DPPH, NO.). Los potenciales antioxidantes in vivo de los extractos crudos (50/250 mg/kg de peso corporal) se determinaron en un modelo en ratas con disfunción eréctil. El análisis fitoquímico reveló que ambas plantas contuvieron flavonoides, taninos, terpenoides y alcaloides. Los extractos crudos con un grado variable de eficiencia, atraparon a los radicales ABTS y DPPH. Los extractos crudos a bajas concentraciones (50 mg/kg p.c) significativamente (p<0.05) disminuyeron el nivel de malondialdehído, aumentaron las actividades de catalasa y elevaron los niveles de glutatión. Sin embargo, las actividades de SOD por los extractos crudos fueron significativamente dosis-dependientes. Así, los extractos de I. glomeratay S. kraussii mostraron propiedades antioxidantes, y por lo tanto, podrían servir como una alternativa terapéutica en el tratamiento de disfunción eréctil inducida por estrés oxidativo.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Plant Extracts / Inula / Salacia / Antioxidants Type of study: Prognostic study Limits: Animals Language: English Journal: Bol. latinoam. Caribe plantas med. aromát Journal subject: Botany / Medicine / Plantas Medicinais / Terapias Complementares Year: 2021 Type: Article Affiliation country: South Africa Institution/Affiliation country: University of Pretoria/ZA / University of Zululand/ZA

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Full text: Available Index: LILACS (Americas) Main subject: Plant Extracts / Inula / Salacia / Antioxidants Type of study: Prognostic study Limits: Animals Language: English Journal: Bol. latinoam. Caribe plantas med. aromát Journal subject: Botany / Medicine / Plantas Medicinais / Terapias Complementares Year: 2021 Type: Article Affiliation country: South Africa Institution/Affiliation country: University of Pretoria/ZA / University of Zululand/ZA