Osong Public Health Res Perspect.  2018 Dec;9(6):348-353. 10.24171/j.phrp.2018.9.6.09.

Chemical Constituents of Essential Oils Possessing Anti-Influenza A/WS/33 Virus Activity

Affiliations
  • 1Department of Beauty Science, Kwangju Women's University, Gwangju, Korea. rerived@kwu.ac.kr

Abstract


OBJECTIVES
This study was conducted to determine whether essential oils had anti-influenza A/WS/33 virus activity and whether there were specific compounds associated with this activity.
METHODS
There were 63 essential oils evaluated for anti-influenza (A/WS/33 virus) activity using a cytopathic effect reduction method. The chemical composition of the anti-influenza essential oils was phytochemically analyzed by gas chromatography-mass spectrometry.
RESULTS
The antiviral assays demonstrated that 11 of the 62 essential oils (100 μg/mL) possessed anti-influenza activity, reducing visible cytopathic effects of influenza A/WS/33 virus activity by > 30%. Furthermore, marjoram, clary sage and anise oils exhibited anti-influenza A/WS/33 virus activity of > 52.8%. However, oseltamivir (the anti-influenza A and B drug), showed cytotoxicity at the same concentration (100 μg/mL) as the essential oils. The chemical composition detected by GC-MS analysis, differed amongst the 3 most potent anti-viral essential oils (marjoram, clary sage and anise oils) except for linalool, which was detected in all 3 essential oils.
CONCLUSION
This study demonstrated anti-influenza activity in 11 essential oils tested, with marjoram, clary sage and anise essential oils being the most effective at reducing visible cytopathic effects of the A/WS/33 virus. All 3 oils contained linalool, suggesting that this may have anti-influenza activity. Further investigation is needed to characterize the antiviral activity of linalool against influenza A/WS/33 virus.

Keyword

essential oils; influenza; linalool; virus

MeSH Terms

Gas Chromatography-Mass Spectrometry
Influenza, Human
Methods
Oils
Oils, Volatile*
Origanum
Oseltamivir
Pimpinella
Oils
Oils, Volatile
Oseltamivir
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