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Type: Artigo de periódico
Title: Propolis From Southeastern And Northeastern Of Brazil: The Influence Of Seasonality In Antibacterial Activity And Phenolic Composition [própolis Do Sudeste E Nordeste Do Brasil: Influência Da Sazonalidade Na Atividade Antibacteriana E Composição Fenólica]
Author: Castro M.L.
Cury J.A.
Rosalen P.L.
Alencar S.M.
Ikegaki M.
Duarte S.
Koo H.
Abstract: The composition and biological activities of propolis, a resinous hive product collected by honeybees from various plant sources, depends on various factors such as season and vegetation of the area. The aim of this study was to evaluate the influence of the seasonal effect on the ethanolic extracts of Brazilian propolis (EEP) type 6 and type 12, collected during 6 months in terms of antibacterial activity and phenolic composition. The antimicrobial properties were evaluated by MIC and MBC on S. mutans Ingbritt 1600 and the profile of chemical composition by UV-visible spectrophotometry, HPLC-RF and GC-MS. The results demonstrated that the season in which propolis is collected influences its chemical composition, resulting in modifications in its antibacterial activity.
Rights: aberto
Identifier DOI: 
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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