Trial reportInternational journal of environmental research and public health2017
Essential Oil of Japanese Cedar (Cryptomeria japonica) Wood Increases Salivary Dehydroepiandrosterone Sulfate Levels after Monotonous Work.
Trial report in International journal of environmental research and public health, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
12 citing papers in PubMed, 18 citations in OpenAlex.
- Increase in diastolic blood pressure induced by fragrance inhalation of grapefruit essential oil is positively correlated with muscle sympathetic nerve activity.The journal of physiological sciences : JPS · 2020Trial
- Review
- Cedarwood Oils: The Wood Essential Oil Compositions from Trees Known as "Cedar".Plants (Basel, Switzerland) · 2026Review
- Wood Odor Mapping on Arousal Axes: Exploring Correspondence with Physiological Indices of Stress Recovery.International journal of environmental research and public health · 2025Article
- Subjective Interactions of Wood-Derived Olfactory and Visual Stimuli During Work and Rest.International journal of environmental research and public health · 2025Article
- Effects of inhalingFrontiers in psychology · 2025Article
- Cytotoxic Natural Products fromInternational journal of molecular sciences · 2024Article
- Anticholinesterase and Anti-Inflammatory Activities of the Essential Oils of Sawdust and Resin-Rich Bark from AzoreanInternational journal of molecular sciences · 2024Article
- Assessing the Anxiolytic and Relaxation Effects ofFrontiers in psychology · 2024Article
- Citrus Essential Oils in Aromatherapy: Therapeutic Effects and Mechanisms.Antioxidants (Basel, Switzerland) · 2022Review
- Assessment of Personal Relaxation in Indoor-Air Environments: Study in Real Full-Scale Laboratory Houses.International journal of environmental research and public health · 2021Article
- Sensation Seeking's Differential Role in Face-to-Face and Cyberbullying: Taking Perceived Contextual Properties Into Account.Frontiers in psychology · 2019Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Employee problems arising from mental illnesses have steadily increased and become a serious social problem in recent years. Wood is a widely available plant material, and knowledge of the psychophysiological effects of inhalation of woody volatile compounds has grown considerably. In this study, we established an experimental method to evaluate the effects of Japanese cedar wood essential oil on subjects performing monotonous work. Two experiment conditions, one with and another without diffusion of the essential oil were prepared. Salivary stress markers were determined during and after a calculation task followed by distribution of questionnaires to achieve subjective odor assessment. We found that inhalation of air containing the volatile compounds of Japanese cedar wood essential oil increased the secretion of dehydroepiandrosterone sulfate (DHEA-s). Slight differences in the subjective assessment of the odor of the experiment rooms were observed. The results of the present study indicate that the volatile compounds of Japanese cedar wood essential oil affect the endocrine regulatory mechanism to facilitate stress responses. Thus, we suggest that this essential oil can improve employees' mental health.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.