Propolis from southeastern and northeastern of Brazil: The influence of seasonality in antibacterial activity and phenolic composition

被引：64
作者：
Castro, Myrella Lessio
Cury, Jaime Aparecido
Rosalen, Pedro Luiz
Alencar, Severino Matias
Ikegaki, Masaharu
Duarte, Simone
Koo, Hyun
机构：
[1] Univ Estadual Campinas, Fac Odontol, Dept Ciencias Fisiol, BR-13414 Piracicaba, SP, Brazil
[2] Univ Sao Paulo, Escuela Super Agr Luiz Queroz, Dept Agrind Nutr Alimentos, BR-13414 Piracicaba, SP, Brazil
[3] Univ Fed Alfenas, BR-37130 Alfenas, MG, Brazil
[4] Ctr Oral Biol, Eastman Dept Dent, Rochester, NY 14620 USA
来源：
QUIMICA NOVA | 2007年 / 30卷 / 07期
关键词：
propolis; seasonal effect; phenolic compounds;
D O I：
10.1590/S0100-40422007000700003
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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.
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收藏
页码：1512 / 1516
页数：5
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