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A Comparison between Characterization and Biological Properties of Brazilian Fresh and Aged Propolis

Objective. As propolis is a highly valued bee product, we aimed to verify the quality of aged propolis, investigating their phenolic and flavonoid composition, levels of toxic metals, radical scavenging and antimicrobial activities. Material and Methods. Samples of fresh and aged propolis of six dif...

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Autores principales: Schmidt, Eduardo Morgado, Stock, Daniele, Chada, Fabio José Garcia, Finger, Daiane, Christine Helena Frankland Sawaya, Alexandra, Eberlin, Marcos Nogueira, Felsner, Maria Lurdes, Quináia, Sueli Pércio, Monteiro, Marta Chagas, Torres, Yohandra Reyes
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Hindawi Publishing Corporation 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4235190/
https://www.ncbi.nlm.nih.gov/pubmed/25530958
http://dx.doi.org/10.1155/2014/257617
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author Schmidt, Eduardo Morgado
Stock, Daniele
Chada, Fabio José Garcia
Finger, Daiane
Christine Helena Frankland Sawaya, Alexandra
Eberlin, Marcos Nogueira
Felsner, Maria Lurdes
Quináia, Sueli Pércio
Monteiro, Marta Chagas
Torres, Yohandra Reyes
author_facet Schmidt, Eduardo Morgado
Stock, Daniele
Chada, Fabio José Garcia
Finger, Daiane
Christine Helena Frankland Sawaya, Alexandra
Eberlin, Marcos Nogueira
Felsner, Maria Lurdes
Quináia, Sueli Pércio
Monteiro, Marta Chagas
Torres, Yohandra Reyes
author_sort Schmidt, Eduardo Morgado
collection PubMed
description Objective. As propolis is a highly valued bee product, we aimed to verify the quality of aged propolis, investigating their phenolic and flavonoid composition, levels of toxic metals, radical scavenging and antimicrobial activities. Material and Methods. Samples of fresh and aged propolis of six different beekeepers, from the same geographical location, were investigated in terms of their phenolic and flavonoid composition and levels of Pb, Cd, and Cr, as well as radical scavenging and antimicrobial activities. Results. The two groups of propolis had similar qualitative composition by HPLC-PDA and ESI(-)-MS. Fresh propolis and aged propolis show no differences when average values of extraction yield, flavonoids, EC(50), or MIC were compared and both types of propolis showed good antimicrobial activity at low concentrations. Only levels of phenolic compounds were higher in fresh propolis. Conclusion. The propolis samples considered in this study, aged or fresh, had similar qualitative composition, although they were collected in different periods. Samples only differed in their levels of total phenolic content. Moreover, aged propolis conserves significant radical scavenging and antimicrobial properties. We suggest that aged propolis should not be discarded but explored for alternative applications.
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spelling pubmed-42351902014-12-21 A Comparison between Characterization and Biological Properties of Brazilian Fresh and Aged Propolis Schmidt, Eduardo Morgado Stock, Daniele Chada, Fabio José Garcia Finger, Daiane Christine Helena Frankland Sawaya, Alexandra Eberlin, Marcos Nogueira Felsner, Maria Lurdes Quináia, Sueli Pércio Monteiro, Marta Chagas Torres, Yohandra Reyes Biomed Res Int Research Article Objective. As propolis is a highly valued bee product, we aimed to verify the quality of aged propolis, investigating their phenolic and flavonoid composition, levels of toxic metals, radical scavenging and antimicrobial activities. Material and Methods. Samples of fresh and aged propolis of six different beekeepers, from the same geographical location, were investigated in terms of their phenolic and flavonoid composition and levels of Pb, Cd, and Cr, as well as radical scavenging and antimicrobial activities. Results. The two groups of propolis had similar qualitative composition by HPLC-PDA and ESI(-)-MS. Fresh propolis and aged propolis show no differences when average values of extraction yield, flavonoids, EC(50), or MIC were compared and both types of propolis showed good antimicrobial activity at low concentrations. Only levels of phenolic compounds were higher in fresh propolis. Conclusion. The propolis samples considered in this study, aged or fresh, had similar qualitative composition, although they were collected in different periods. Samples only differed in their levels of total phenolic content. Moreover, aged propolis conserves significant radical scavenging and antimicrobial properties. We suggest that aged propolis should not be discarded but explored for alternative applications. Hindawi Publishing Corporation 2014 2014-11-03 /pmc/articles/PMC4235190/ /pubmed/25530958 http://dx.doi.org/10.1155/2014/257617 Text en Copyright © 2014 Eduardo Morgado Schmidt et al. https://creativecommons.org/licenses/by/3.0/ This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Article
Schmidt, Eduardo Morgado
Stock, Daniele
Chada, Fabio José Garcia
Finger, Daiane
Christine Helena Frankland Sawaya, Alexandra
Eberlin, Marcos Nogueira
Felsner, Maria Lurdes
Quináia, Sueli Pércio
Monteiro, Marta Chagas
Torres, Yohandra Reyes
A Comparison between Characterization and Biological Properties of Brazilian Fresh and Aged Propolis
title A Comparison between Characterization and Biological Properties of Brazilian Fresh and Aged Propolis
title_full A Comparison between Characterization and Biological Properties of Brazilian Fresh and Aged Propolis
title_fullStr A Comparison between Characterization and Biological Properties of Brazilian Fresh and Aged Propolis
title_full_unstemmed A Comparison between Characterization and Biological Properties of Brazilian Fresh and Aged Propolis
title_short A Comparison between Characterization and Biological Properties of Brazilian Fresh and Aged Propolis
title_sort comparison between characterization and biological properties of brazilian fresh and aged propolis
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4235190/
https://www.ncbi.nlm.nih.gov/pubmed/25530958
http://dx.doi.org/10.1155/2014/257617
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