Results: 4

Protective effect of Rheum ribes extract against lead-induced hepatotoxicity in male rats

Abstract The effects of Rheum ribes on lead acetate levels and hepatic biochemical factors due to lead acetate toxicity were investigated. Forty male Wistar rats were designated into four groups: Control; lead acetate (receiving in drinking water at 0.6 g/L, daily); hydroalcoholic extract groups (200 and...

A new species of Coccoloba P. Browne (Polygonaceae) from the Brazilian Amazon with exceptionally large leaves

Acta amaz; 49 (4), 2019
We describe and illustrate a new species of Coccoloba (Polygonaceae), named Coccoloba gigantifolia, from the Brazilian Amazon. It resembles Coccoloba mollis Casar, but differs from the latter species by its much larger leaves in the fertile branches. The species has only been recorded in the Madeira Rive...

Estudio comparativo de la actividad antioxidante in vitro de los extractos antociánicos y caracterización de las antocianidinas en los frutos de las especies vegetales Prunus serótina (capuli) Muehlenbeckia volcánica (Benth.) Endl. (Mullak'a) Monnina salicifolia R. & P. (Aceitunilla)
Comparative study of the antioxidant activity in vitro of the anthocyanin extracts and characterization of the anthocyanidins in the fruits of the plant species Prunus serótina (capuli) Muehlenbeckia volcanica (Benth.) Endl. (Mullak'a) Monnina salicifolia R. & P. (Aceitunilla)

Las antocianinas están presentes en muchos frutos (bayas) y flores, estos son colorantes naturales, pertenecientes al grupo de los flavonoides, a las que se les atribuye actividad antioxidante por su capacidad para neutralizar los efectos de los radicales libres sobre enfermedades crónico-degenerativas...