CHEMICAL COMPOSITION AND ANTIOXIDANT ABILITY OF THE CRUDE EXTRACT OF SEDUM PRAEALTUM FLOWERS

María del Carmen Beltrán-Orozco; Joaquín Julián Ocampo Rascón; Francisco Díaz Cedillo; Rafael Silva Torres

doi:10.9755/ejfa.v25i10.17002

Authors

María del Carmen Beltrán-Orozco Departamento de Graduados en Investigación en Alimentos, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala, Colonia Santo Tomás 11340, Delegación Miguel Hidalgo, México City, México
Joaquín Julián Ocampo Rascón Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala, Colonia Santo Tomás 11340, Delegación Miguel Hidalgo, México City, México
Francisco Díaz Cedillo Departamento de Química Orgánica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala, Colonia Santo Tomás 11340, Delegación Miguel Hidalgo, México City, México
Rafael Silva Torres Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala, Colonia Santo Tomás 11340, Delegación Miguel Hidalgo, México City, México

DOI:

https://doi.org/10.9755/ejfa.v25i10.17002

Keywords:

Antioxidant activity, DMPD, Sedum praealtum

Abstract

As part of our screening of antioxidant extracts from spices and food plants, the antioxidant activity of the EtHO extract of the flowers of aerial parts of Sedum praealtum was tested. Since the extract showed significant activity, a bioassay-directed fractionation of it was carried out. This investigation resulted in the isolation of kaempferol and quercetin as the principle responsible for the antioxidant activity. The antioxidant ability was quantified using the Fogliano method, which is known as DMPD. Flavonols which were characterized by NMR. This similar antioxidant effect has been obtained on some fruits studied by different authors using this same method.