Evaluation of the antioxidant capacity of synthesized coumarins.
Int J Mol Sci
; 13(6): 7260-7270, 2012.
Article
en En
| MEDLINE
| ID: mdl-22837692
Coumarins are secondary metabolites that are widely distributed within the plant kingdom, some of which have been extensively studied for their antioxidant properties. The antioxidant activity of coumarins assayed in the present study was measured by different methods, namely the 1,1-diphenyl-2-picryl-hydrazyl (DPPH(â¢)) method, cyclic voltammetry and the antioxidant capacity against peroxyl radicals (ACAP) method. The 7,8-dihydroxy-4-methylcoumarin (LaSOM 78), 5-carboxy-7,8-dihydroxy-4-methylcoumarin (LaSOM 79), and 6,7-dihydroxycoumarin (Esculetin) compounds proved to be the most active, showing the highest capacity to deplete the DPPH radicals, the highest antioxidant capacity against peroxyl radicals, and the lowest values of potential oxidation.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Peróxidos
/
Umbeliferonas
/
Antioxidantes
Tipo de estudio:
Evaluation_studies
Idioma:
En
Revista:
Int J Mol Sci
Año:
2012
Tipo del documento:
Article
País de afiliación:
Brasil
Pais de publicación:
Suiza