Antimicrobial activity of Lippia sidoides Cham. (Verbenaceae) essential oil against Staphylococcus aureus and Escherichia coli

The antibacterial effect of Lippia sidoides (rosemary pepper) essential oil was tested against the bacteria Staphylococcus aureus and Escherichia coli isolated from homemade Minas cheese produced in Brazil. The Minimum Inhibitory Concentration (MIC) determined in the Dilution Test was 13 µL oil mL-1 for both bacteria, which characterizes inhibitory action in broth for a 24-hour interaction period. The Minimum Bactericidal Concentration (MBC) determined in the Suspension Test, with one minute of contact, was 25 µL oil mL-1 for both tested bacteria, obtaining at this concentration a bactericidal effect of 99.9% on the viable bacterial cells from each sample. Results demonstrated the bacterial activity of Lippia sidoides essential oil against S. aureus and E. coli, suggesting its use as an antibacterial agent in foods.

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Bibliographic Details
Main Authors: Castro,C.E, Ribeiro,J.M, Diniz,T.T, Almeida,A.C, Ferreira,L.C, Martins,E.R, Duarte,E.R
Format: Digital revista
Language:English
Published: Sociedade Brasileira de Plantas Medicinais 2011
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-05722011000300007
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