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Ascents® Fresh No. 11: Research Abstracts for Component Oils

Effects of Ylang-Ylang aroma on blood pressure and heart rate in healthy men.

Author information:  Jung DJ(1), Cha JY, Kim SE, Ko IG, Jee YS. (1)Department of Microbial Engineering, College of Engineering, Konkuk University, Seoul, Korea.

Background: Although the Ylang-Ylang aroma (YYA) has used as a general method for enhancing sedative effect, there was a little report on the efficacy of YYA on heart function using the electrocardiogram (EKG). Therefore, identifying of the effects of YYA on blood pressure (BP) and heart rate (HR) is important in order to demonstrate the effectiveness of YYA. The aim of this study was to investigate the effects of YYA on BP and HR in healthy men.

Conclusion: In the present results, YYA caused a reduction of HR and BP, and a relief of the arousal level in healthy men. The present results  show a sedative effect of YYA, and this study provides some evidences for the usage of YYA in medicinal agent.

J Exerc Rehabil. 2013 Apr;9(2):250-5. doi: 10.12965/jer.130007. Epub 2013 Apr 25. 


Modulation of cognitive performance and mood by aromas of peppermint and ylang-ylang.

Author information: Moss M(1), Hewitt S, Moss L, Wesnes K. (1)Human Cognitive Neuroscience Unit, Division of Psychology, University of Northumbria, Newcastle upon Tyne, United Kingdom. mark.moss@unn.ac.uk

Background: This study provides further evidence for the impact of the aromas of plant
essential oils on aspects of cognition and mood in healthy participants.

Conclusion: Peppermint was found to enhance memory whereas ylang-ylang impaired it, and lengthened processing speed. In terms of subjective mood peppermint increased alertness and ylang-ylang decreased it, but significantly increased calmness. These results provide support for the contention that the aromas of essential oils can produce significant and idiosyncratic effects on both subjective and objective assessments of aspects of human behavior.

Int J Neurosci. 2008 Jan;118(1):59-77.


Evaluation of the harmonizing effect of ylang-ylang oil on humans after inhalation.

Author information: Hongratanaworakit T (1), Buchbauer G. (1) Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Srinakharinwirot University, Nakorn-nayok, Thailand. tapanee@swu.ac.th

Background: Scientific evaluations of the effects of fragrances on humans are rather scarce. The aim of this investigation was to study the effects of ylang-ylang oil (Cananga odorata, Annonaceae) on human physiological parameters and self-evaluation.

Conclusion: The present investigation showed that ylang-ylang oil may be characterized by the concept of "harmonization" rather than relaxation/sedation. Compared to an odorless placebo, ylang-ylang oil caused significant decreases in blood pressure and pulse rate as well as significant increases of subjective attentiveness and alertness. Correlational analyses revealed that the observed effects are mainly due to a subjective odor experience.

Planta Med. 2004 Jul;70(7):632-6. 


Olfactory stimulatory with grapefruit and lavender oils change autonomic nerve activity and physiological function.

Author information: Nagai K(1), Niijima A(2), Horii Y(3), Shen J(4), Tanida M(5). (1)ANBAS Corporation, 4-12-17 Toyosaki, Kita-Ku, Osaka 531-0072, Japan; Institute for Protein Research, Osaka University, Japan. Electronic address: knagai@anbas.co.jp. (2)Niigata University, Japan. (3)ANBAS Corporation, 4-12-17 Toyosaki, Kita-Ku, Osaka 531-0072, Japan; Institute for Protein Research, Osaka University, Japan. (4)Institute for Protein Research, Osaka University, Japan. (5)Institute for Protein Research, Osaka University, Japan; Kanazawa Medical University, Japan.

Background: This review summarizes the effects of olfactory stimulation with grapefruit (limonene) and lavender oils on autonomic nerve activity and physiological function. Olfactory stimulation with the scent of grapefruit oil (GFO) increases the activity of sympathetic nerves that innervate white and brown adipose tissues, the adrenal glands, and the kidneys, decreases the activity of the gastric vagal nerve in rats and mice. This results in an increase in lipolysis, thermogenesis, and blood pressure, and a decrease in food intake.

Conclusion: These findings indicate that limonene...might be the active substance(s) in GFO...and are involved in mediating the GFO…--induced changes in nerve activity and physiological variables.

Auton Neurosci. 2014 Oct;185:29-35. doi: 10.1016/j.autneu.2014.06.005. Epub 2014 Jun 25.

 

The effect of aromatherapy by essential oil of orange on anxiety during labor: A randomized clinical trial.

Author information: Rashidi-Fakari F(1), Tabatabaeichehr M(1), Mortazavi H(2). (1)Department of Midwifery, Faculty of Nursing and Midwifery, North Khorasan University of Medical Sciences, Bojnord, Iran. (2)Department of Geriatric Nursing, School of Nursing and Midwifery, North Khorasan University of Medical Sciences, Bojnord, Iran.

BACKGROUND: Labor is a stressful situation that may have an adverse impact. Aromatherapy is a method to control anxiety and stress of women. This study was conducted to investigate the effect of aromatherapy using essential oil of orange on women's anxiety during labor.

CONCLUSIONS: Aromatherapy is a noninvasive and effective method to help women overcome their anxiety during labor. Orange scent can be useful in childbirth units to help women who are experiencing stress in labor.

Iran J Nurs Midwifery Res. 2015 Nov-Dec;20(6):661-4. Doi: 10.4103/1735-9066.170001.


Effect of aromatherapy with orange essential oil on salivary cortisol and pulse rate in children during dental treatment: A randomized controlled clinical trial.

Author information: Jafarzadeh M(1), Arman S, Pour FF. (1)Department of Pediatric Dentistry and Torabinezad Dental Research Center, Isfahan, Iran.


BACKGROUND: Essential oils have been used as an alternative and complementary treatment in medicine. Citrus fragrance has been used by aromatherapists for the treatment of anxiety symptoms. Based on this claim, the aim of present study was to investigate the effect of aromatherapy with essential oil of orange on child anxiety during dental treatment.

CONCLUSION: It seems that the use of aromatherapy with natural essential oil of orange could reduce salivary cortisol and pulse rate due to child anxiety state.

Adv Biomed Res. 2013 Mar 6;2:10. doi: 10.4103/2277-9175.107968. Print 2013.

 

Effect of sweet orange aroma on experimental anxiety in humans.

Author information: Goes TC(1), Antunes FD, Alves PB, Teixeira-Silva F. (1)Departamento de Fisiologia, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Sergipe, Sergipe, Brazil.


OBJECTIVES: The objective of this study was to evaluate the potential anxiolytic  effect of sweet orange (Citrus sinensis) aroma in healthy volunteers submitted to an anxiogenic situation.

CONCLUSIONS: Although more studies are needed to find out the clinical relevance of aromatherapy for anxiety disorders, the present results indicate an acute anxiolytic activity of sweet orange aroma, giving some scientific support to its use as a tranquilizer by aromatherapists.

J Altern Complement Med. 2012 Aug;18(8):798-804. doi: 10.1089/acm.2011.0551. Epub
2012 Jul 31.