Journal
ARCHIVES OF ORAL BIOLOGY
Volume 53, Issue 10, Pages 964-968Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.archoralbio.2008.04.002
Keywords
aromatherapy; chromogranin A (CgA); cortisol; human saliva; lavender; mental stress
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Objective: We evaluated the stress relief effect of lavender aroma by measuring sensitive salivary endocrinological stress markers, cortisol and chromogranin A (CgA). Design: Thirty healthy students performed a serial arithmetic task for 10 min and then rested for 10 min. During the resting period, 16 students (aroma group) were exposed to airborne organic essential oil of lavender. Saliva samples were collected immediately before and after the arithmetic task, and at S and 10 min after that. Salivary cortisol and CgA levels were determined by enzyme-linked immunosorbent assay. Results: In the aroma group, levels of CgA that had been elevated at the end of the arithmetic task were statistically significantly lower 10 min later. The control group showed no such change. During the protocol, no statistically significant changes in levels of cortisol were detected in either the aroma group or the control group. Conclusions: These findings suggest that lavender aroma has a stress relief effect. (c) 2008 Elsevier Ltd. All rights reserved.
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