An aqueous extract of guaraná (Paullinia cupana) decreases platelet thromboxane synthesis
Braz. j. med. biol. res
;
24(4): 421-4, 1991. tab
Artículo
en Inglés
| LILACS
| ID: lil-99472
ABSTRACT
The effects of an aqueous extract of guaraná (Paullinia cupana) on rabbit platelet aggregation and thromboxane synthesis were examined. The guaraná extract (100 mg/ml) and fractions separated by TLC (origin and xanthines) decreased platelet aggregation (37.27 and 31% of control values, respectively) and platelet thromboxane formation from [14C]-arachidonic acid (78, 70 and 50% of control values respectively). The decreased thromboxane synthesis could be responsible, at least in part, for the antiaggregatory action of guaraná
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Índice:
LILACS (Américas)
Asunto principal:
Plantas Medicinales
/
Inhibidores de Agregación Plaquetaria
/
Extractos Vegetales
/
Tromboxanos
Límite:
Animales
Idioma:
Inglés
Revista:
Braz. j. med. biol. res
Asunto de la revista:
Biologia
/
Medicina
Año:
1991
Tipo del documento:
Artículo
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