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. 2014;2014:796518.
doi: 10.1155/2014/796518. Epub 2014 Jun 12.

Effects of Inhalation of Essential Oil of Citrus Aurantium L. Var. Amara on Menopausal Symptoms, Stress, and Estrogen in Postmenopausal Women: A Randomized Controlled Trial

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Free PMC article

Effects of Inhalation of Essential Oil of Citrus Aurantium L. Var. Amara on Menopausal Symptoms, Stress, and Estrogen in Postmenopausal Women: A Randomized Controlled Trial

Seo Yeon Choi et al. Evid Based Complement Alternat Med. .
Free PMC article

Abstract

This study aimed to investigate the effects of inhalation of the essential oil of Citrus aurantium L. var. amara (neroli oil) on menopausal symptoms, stress, and estrogen in postmenopausal women. Sixty-three healthy postmenopausal women were randomized to inhale 0.1% or 0.5% neroli oil or almond oil (control) for 5 minutes twice daily for 5 days. Menopause-related symptoms, as determined by the Menopause-Specific Quality of Life Questionnaire (MENQOL); sexual desire visual analog scale (VAS); serum cortisol and estrogen concentrations, blood pressure, pulse, and stress VAS, were measured before and after inhalation. Compared with the control group, the two neroli oil groups showed significant improvements in the physical domain score of the MENQOL and in sexual desire. Systolic blood pressure was significantly lower in the group inhaling 0.5% neroli oil than in the control group. Compared with the control group, the two neroli oil groups showed significantly lower diastolic blood pressure and tended to improve pulse rate and serum cortisol and estrogen concentrations. These findings indicate that inhalation of neroli oil helps relieve menopausal symptoms, increase sexual desire, and reduce blood pressure in postmenopausal women. Neroli oil may have potential as an effective intervention to reduce stress and improve the endocrine system.

Figures

Figure 1
Figure 1
Study flow diagram.
Figure 2
Figure 2
Effects of neroli oil inhalation on (a) systolic blood pressure, (b) diastolic blood pressure, and (c) pulse rate. Values are expressed as mean ± SEM. *P < 0.05, **P < 0.01 compared with the control group. SBP, systolic blood pressure; DBP, diastolic blood pressure; PR, pulse rate.

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