Planta Med 2012; 78(08): 755-760
DOI: 10.1055/s-0031-1298435
Clinical Studies
Original Papers
Georg Thieme Verlag KG Stuttgart · New York

Effect of Coffea canephora Aqueous Extract On Microbial Counts in Ex Vivo Oral Biofilms: A Case Study

Andréa Gonçalves Antonio
1   Departamento de Odontopediatria e Ortodontia, Faculdade de Odontologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
,
Natália Lopes Pontes Iorio
2   Departamento de Microbiologia Médica, Instituto de Microbiologia Prof. Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
3   Departamento de Ciência Básica, Universidade Federal Fluminense, Nova Friburgo, Brazil
,
Adriana Farah
4   Instituto de Nutrição, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
,
Kátia Regina Netto dos Santos
2   Departamento de Microbiologia Médica, Instituto de Microbiologia Prof. Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
,
Lucianne Cople Maia
1   Departamento de Odontopediatria e Ortodontia, Faculdade de Odontologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
› Author Affiliations
Further Information

Publication History

received 12 January 2012
revised 17 March 2012

accepted 20 March 2012

Publication Date:
24 April 2012 (online)

Abstract

In the present study, the ex vivo antimicrobial effect of brewed coffee was tested on oral biofilms. For this, unsweetened and sweetened (10 % sucrose) brewed light-roasted Coffea canephora at 20 % was used in biofilms formed by non-stimulated saliva from three volunteers. After 30 min contact with unsweetened and sweetened brews, the average microorganism count in the biofilms reduced by 15.2 % and 12.4 %, respectively, with no statistical difference among them. We also observed a drop of microorganisms in the biofilms after treatment with sucrose solution at 5 % compared to control (saline) and to sucrose at 1 % and 3 %. In conclusion, Coffea canephora extract reduces the microbial count in oral biofilm, and our data suggest that sucrose concentration in coffee brew can influence its antimicrobial property against the referred biofilm.

 
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