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Antimicrobial activity of the volatile phase of essential oils and their constituents on Legionella pneumophila

Antimicrobial activity of the volatile phase of essential oils and their constituents on... AbstractPathogenic bacteria of the genus Legionella cause atypical pneumonia known as Legionnaires’ disease and flu – like disease known as Pontiac fever. As pathogens of the respiratory system, these bacteria represent a public health problem and there is a need for examine new alternative ways to inactivate them. These bacteria live naturally in water and are transmitted by infectious aerosols. To purify the air, essential oils that show antimicrobial properties are widely used. The anti-Legionella activity of five exotic essential oils and five Mediterranean essential oils characteristic for coastal Croatia was examined. Model organism used in experiments was L. pneumophila (strain 130b). This experiment was conducting with modified version of sealed plate method using a BCYE medium. The exotic essential oil with highest anti-Legionella activity was Niaouli essential oil, and the best anti-Legionella activity among Mediterranean essential oils showed Immortelle essential oil. Anti- Legionella activity of four main chemical compounds was examined and compound that show significant highest anti-Legionella activity was α – pinene. Volatile components of essential oils have a great potential as anti-Legionella agents and further research are needed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Sanitarno inženirstvo International Journal of Sanitary Engineering Research de Gruyter

Antimicrobial activity of the volatile phase of essential oils and their constituents on Legionella pneumophila

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Publisher
de Gruyter
Copyright
© 2020 Lucia Bićanić et al., published by Sciendo
eISSN
1855-0452
DOI
10.2478/ijser-2020-0005
Publisher site
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Abstract

AbstractPathogenic bacteria of the genus Legionella cause atypical pneumonia known as Legionnaires’ disease and flu – like disease known as Pontiac fever. As pathogens of the respiratory system, these bacteria represent a public health problem and there is a need for examine new alternative ways to inactivate them. These bacteria live naturally in water and are transmitted by infectious aerosols. To purify the air, essential oils that show antimicrobial properties are widely used. The anti-Legionella activity of five exotic essential oils and five Mediterranean essential oils characteristic for coastal Croatia was examined. Model organism used in experiments was L. pneumophila (strain 130b). This experiment was conducting with modified version of sealed plate method using a BCYE medium. The exotic essential oil with highest anti-Legionella activity was Niaouli essential oil, and the best anti-Legionella activity among Mediterranean essential oils showed Immortelle essential oil. Anti- Legionella activity of four main chemical compounds was examined and compound that show significant highest anti-Legionella activity was α – pinene. Volatile components of essential oils have a great potential as anti-Legionella agents and further research are needed.

Journal

Sanitarno inženirstvo International Journal of Sanitary Engineering Research – de Gruyter

Published: Dec 1, 2020

Keywords: essential oils; volatile components; Legionella; antibacterial effect

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