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Sci. Pharm.
Volume 88
Issue 2
10.3390/scipharm88020023
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Article

Michelia Essential Oil Inhalation Increases Fast Alpha Wave Activity

by
Phanit Koomhin
1,2,3,*,
Apsorn Sattayakhom
2,4,
Supaya Chandharakool
4,
Jennarong Sinlapasorn
4,
Sarunnat Suanjan
4,
Sarawoot Palipoch
1,
Prasit Na-ek
1,
Chuchard Punsawad
1 and
Narumol Matan
2,5
1
School of Medicine, Walailak University, Nakhonsithammarat 80160, Thailand
2
Center of Excellence in Innovation on Essential oil, Walailak University, Nakhonsithammarat 80160, Thailand
3
Research Group in Applied, Computational and Theoretical Science (ACTS), Walailak University, Nakhonsithammarat 80160, Thailand
4
School of Allied Health Sciences, Walailak University, Nakhonsithammarat 80160, Thailand
5
School of Agricultural Technology, Walailak University, Nakhonsithammarat 80160, Thailand
*
Author to whom correspondence should be addressed.
Sci. Pharm. 2020, 88(2), 23; https://doi.org/10.3390/scipharm88020023
Submission received: 13 February 2020 / Revised: 6 May 2020 / Accepted: 6 May 2020 / Published: 9 May 2020
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Abstract

Essential oils are volatile fragrance liquids extracted from plants, and their compound annual growth rate is expected to expand to 8.6% from 2019 to 2025, according to Grand View Research. Essential oils have several domains of application, such as in the food and beverage industry, in cosmetics, as well as for medicinal use. In this study, Michelia alba essential oil was extracted from leaves and was rich in linalool components as found in lavender and jasmine oil. The effects of inhaling michelia oil on human brainwaves still need to be elucidated. Ten male and ten female subjects were recruited. Thirty-two-channel electroencephalography was recorded. The raw data were spectrally analyzed for slow alpha, fast alpha, low beta, mid beta, and high beta activities. The results demonstrate that michelia leaf oil could reduce the alertness level observed by beta wave decrease and fast alpha wave activity increase. The inhalation of pure linalool showed virtually identical responses as the michelia oil inhalation. In conclusion, the sedative effects of michelia oil inhalation might originate from its major linalool component.
Keywords: michelia essential oil; linalool; electroencephalography; power spectral analysis michelia essential oil; linalool; electroencephalography; power spectral analysis

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MDPI and ACS Style

Koomhin, P.; Sattayakhom, A.; Chandharakool, S.; Sinlapasorn, J.; Suanjan, S.; Palipoch, S.; Na-ek, P.; Punsawad, C.; Matan, N. Michelia Essential Oil Inhalation Increases Fast Alpha Wave Activity. Sci. Pharm. 2020, 88, 23. https://doi.org/10.3390/scipharm88020023

AMA Style

Koomhin P, Sattayakhom A, Chandharakool S, Sinlapasorn J, Suanjan S, Palipoch S, Na-ek P, Punsawad C, Matan N. Michelia Essential Oil Inhalation Increases Fast Alpha Wave Activity. Scientia Pharmaceutica. 2020; 88(2):23. https://doi.org/10.3390/scipharm88020023

Chicago/Turabian Style

Koomhin, Phanit, Apsorn Sattayakhom, Supaya Chandharakool, Jennarong Sinlapasorn, Sarunnat Suanjan, Sarawoot Palipoch, Prasit Na-ek, Chuchard Punsawad, and Narumol Matan. 2020. "Michelia Essential Oil Inhalation Increases Fast Alpha Wave Activity" Scientia Pharmaceutica 88, no. 2: 23. https://doi.org/10.3390/scipharm88020023

APA Style

Koomhin, P., Sattayakhom, A., Chandharakool, S., Sinlapasorn, J., Suanjan, S., Palipoch, S., Na-ek, P., Punsawad, C., & Matan, N. (2020). Michelia Essential Oil Inhalation Increases Fast Alpha Wave Activity. Scientia Pharmaceutica, 88(2), 23. https://doi.org/10.3390/scipharm88020023

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