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Spray-drying of Suillus luteus and Cropinopsis atramentaria mushroom alcoholic extracts and its synergistic antioxidant effect

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Resumo:Mushrooms are widely appreciated all over the world for their nutritional and pharmacological value being sources of important bioactive compounds. In this study the antioxidant potential of Suillus luteus and Coprinopsis atramentaria mushroom alcoholic extracts, and its synergistic effect, was evaluated before and after being spray-dried with maltodextrin, aiming at its exploitation as functional food ingredients. The antioxidant activity of free and spray-dried extracts was studied in vitro by DPPH radical scavenging activity, reducing power and inhibition of β-carotene bleaching (this only applied with free extracts assays). The encapsulation yield of the spray-drying process was around 50% and efficiency, determined in terms of cinnamic acid, comprised between 40-60%. The evaluation of the antioxidant activity of the combined extracts pointed out for synergistic effects.
Autores principais:Ribeiro, Andreia
Outros Autores:Ruphuy, Gabriela; Barros, Lillian; Lopes, José Carlos B.; Dias, Madalena M.; Ferreira, Isabel C.F.R.; Barreiro, M.F.
Ano:2014
País:Portugal
Tipo de documento:comunicação em conferência
Tipo de acesso:acesso aberto
Instituição associada:Universidade Politécnica de Bragança
Idioma:inglês
Origem:Biblioteca Digital da UPB

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