Publicación:
Antimicrobial Activity of Origanum vulgare Essential Oil against Staphylococcus aureus and Escherichia coli
Antimicrobial Activity of Origanum vulgare Essential Oil against Staphylococcus aureus and Escherichia coli
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Fecha
2024-01-01
Autores
Sonia Tejada-Muñoz
Denny Cortez
Jesús Rascón
Segundo G. Chavez
Aline C. Caetano
Diaz Manchay, Rosa Jeuna
Julio Sandoval-Bances
Sonia Huyhua-Gutierrez
Lizandro Gonzales
Stella M. Chenet
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Multidisciplinary Digital Publishing Institute (MDPI)
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Abstracto
Background/Objectives: Oreganum vulgare essential oil (OEO) is safe, effective, multifunctional, and widely used. This study aimed to evaluate OEO’s chemical composition and antimicrobial activity in vitro against S. aureus and E. coli. Methods: The composition of OEO was determined by gas chromatography–mass spectrometry (GC-MS). Results: Compounds included monoterpenes with known antimicrobial activity, such as 2-menthen-1-ol (36.33%), linalyl acetate (9.26%), terpinene-4-ol (9.01%), 4-thujanol (6.33%), menthen (5.81%), sabinene (5.18%), and carvacrol methyl ether (5.14%). Conclusions: OEO had a strong antimicrobial activity with a minimum inhibitory concentration (MIC) of 1.90 mg/mL for S. aureus and 0.49 mg/mL for E. coli after 18 h incubation. The minimum bactericidal concentration (MBC) was 7.9 mg/mL against S. aureus and 0.99 mg/mL against E. coli. Thus, OEO could be used as a natural antimicrobial against S. aureus and E. coli infections.
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Palabras clave
antimicrobial activity,
Escherichia coli,
essential oil,
Origanum vulgare,
Staphylococcus aureus