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Phenolic profile of Cynara scolymus L. and Silybum marianum(L.) Gaertn and related antimicrobial properties

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Resumo:Cynara scolymus L. (artichoke) and Silybum marianum (L.) Gaertn (milk thistle), belonging to the Asteraceae family, are medicinal plants with well-reported antioxidant and hepatoprotective effects. Widely consumed as infusions, these plants can also be found in several formulations to allow an easier consumption. The bioactivity of infusions, pills, and syrups based on artichoke and milk thistle was previously reported by our research group [1,2] and among the various phytochemicals present in these dietary supplements, phenolic compounds are pointed out as the most responsible for their beneficial properties. With the aim of studying the antimicrobial activity and possible relation with the phenolic composition, two different formulations of each plant were assessed (pills and syrups). The phenolic profiles were obtained by HPLC-DAD-ESI/MS, and the antimicrobial activity was performed with clinical isolates from hospitalized patients, namely Escherichia coli, Escherichia coli spectrum extended producer of β-lactamases (ESBL), Proteus mirabilis, Pseudomonas aeruginosa, and methicillin-resistant Staphylococcus aureus (MRSA).
Autores principais:Pereira, Carla
Outros Autores:Barros, Lillian; Alves, Maria José; Santos-Buelga, Celestino; Ferreira, Isabel C.F.R.
Ano:2016
País:Portugal
Tipo de documento:póster em conferência
Tipo de acesso:acesso aberto
Instituição associada:Instituto Politécnico de Bragança
Idioma:inglês
Origem:Biblioteca Digital do IPB

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