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Antioxidant activity of Agaricus sp mushrooms by chemical, biochemical and electrochemical assays IPB - Escola Superior Agrária
Barros, Lillian; Falcão, Soraia; Baptista, Paula; Freire, C.; Vilas-Boas, Miguel; Ferreira, Isabel C.F.R..
The antioxidant activity of five Agaricus sp. mushrooms was screened through chemical, biochemical and electrochemical techniques. The chemical assays allowed an evaluation of their reducing power and radical scavenging activity, while biochemical assays evaluated the lipid peroxidation inhibition capacity, using erythrocytes and brain cells as models; the electrochemical characterization of the mushrooms extracts were performed by cyclic voltammetry and differential pulse voltammetry. All the species proved to have antioxidant activity and particularly, by the electrochemical techniques, it has been shown that mushroom extracts revealed similar electrochemical responses, suggesting similar electroactive chemical composition, and oxidation potentials more...
Tipo: Article Palavras-chave: Agaricus sp mushrooms; Electrochemical assays; Lipid peroxidation inhibition.
Ano: 2008 URL: http://hdl.handle.net/10198/814
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