Hypnotic effect of the essential oil from the leaves of Myrtus communis on mice
Authors Birhanie MW, Walle B, Rebba KR
Received 29 November 2015
Accepted for publication 8 March 2016
Published 16 August 2016 Volume 2016:8 Pages 267—275
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 2
Editor who approved publication: Professor Steven A Shea
Muluken Walle Birhanie,1 Bizuayehu Walle,1 Kidist Rebba2
1Department of Physiology, 2Department of Nursing, College of Medicine and Health Sciences, Bahir Dar University, Bahir Dar, Ethiopia
Background: Myrtus communis has been suggested as a sleep aid in unconventional medicine. Moreover, previous studies have also indicated its sedative- and hypnotic-like activity. In this study, the hypnotic effect of M. communis was investigated.
Methods: Essential oil (EO) of M. communis (600, 800, and 1,000 mg/kg) was given orally to Swiss albino mice of both sex, and the hypnotic effect was evaluated. In addition, the EO of M. communis (500, 600, 800, and 1,000 mg/kg) was administered orally to Swiss albino mice of both sex 60 minutes prior to pentobarbital injection (50 mg/kg). Latency to sleep and sleep duration were recorded. The effect of the EO on motor coordination and muscle relaxation was evaluated using chimney and traction tests, 60 and 90 minutes after administration of the respective doses of the EO, respectively.
Results: There was no induction of hypnosis as the presence of the righting reflex was intact. However the EO prolonged pentobarbital-induced sleeping time and there was also 50% negative response on the chimney and traction test in a dose dependent manner.
Conclusion: The EO of M. communis did not produce a hypnotic effect, but it potentiated a hypnotic effect with significant central nervous system depressant activity.
Keywords: Myrtus communis, hypnotic, motor coordination, muscle relaxation, essential oil
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