The DOI matches its Crossref record; 32 of the 35 references it cites were found in a registry or an index.
Effect of psychological stress on the salivary cortisol and amylase levels in healthy young adults
Abstract
Objective Saliva sampling has the advantage that it is non-invasive, making multiple sampling easy and stress free. We examined the effects of psychological stressor and soother on the salivary cortisol and amylase levels in young adults, and compared the characteristics of these parameters.Design The subjects completed the trait version of State-Trait Anxiety Inventory (STAI) to assess the predisposition to personal anxiety. The video of corneal transplant surgery was served as the stressor for 15 min. A scenic beauty video viewing was also used as the soother. Unstimulated whole saliva was collected every 3 min throughout the session.Results The amylase level was significantly increased just after the beginning of the stressful video viewing, and immediately returned to the pre-stress level just after the end of the video viewing. The cortisol level was also increased, but to a lesser extent compared with that of amylase. The latency time to the peak level for cortisol was longer than that of amylase. The carry-over effect was not observed in the amylase response but was in cortisol. Although the correlation between the amylase level and the STAI score was highly significant, cortisol level did not. In addition, soothing video viewing significantly decreased the amylase level, but did not affect the cortisol level.Conclusion Salivary amylase level was more significantly increased and reacted more rapidly than cortisol by psychological stressor, suggesting that it is a better index of stress. Furthermore, it is suggested that the enzyme is a soothing or relaxation index.
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“sAA is a convenient marker and is easily collected and measured in saliva [36, 42–44]; it is recognized as both a soothing/relaxation index [45] and a stress response marker [36].”
From Acute Effects of Coffee Consumption on Self-Reported Gastrointestinal Symptoms, Blood Pressure and Stress Indices in Healthy Individuals (2015) · cites this paper as [45]
In the citing paper
“However, when there is no parallel activation of cortisol, increased sAA activity may also indicate that the enzyme is a soothing or relaxation index [45].”
From Acute Effects of Coffee Consumption on Self-Reported Gastrointestinal Symptoms, Blood Pressure and Stress Indices in Healthy Individuals (2015) · cites this paper as [45]
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“The hypothalamic–pituitary–adrenal (HPA) axis is a stress reactivity network that connects the central nervous and endocrine systems (Takai et al. 2004; Kudielka & Kirschbaum 2005).”
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“AA is a marker of acute stress in healthy adults (Takai et al., 2004), and commonly used in research involving clinical simulation (Valentin et al., 2015).”
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Interactive teaching enhances students' physiological arousal during online learning
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“with that of a previous study which reported a significant decrease in anxiety in fracture patients who received progressive muscle relaxation therapy every morning and afternoon during hospitalization (13).”
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“…analysis by image processing, the cortisol value of samples 1, 2, and 3 were found at 112, 152 and 159 ng/mL, respectively (the cortisol value reported from previous studies were found to be about 29 -145 ng/mL (Suay et al., 1999; Takai et al., 2004; Westermann et al., 2004, for normal subjects).”
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“For example, Takai measured the increase of salivary amylase in healthy participants and found that salivary amylase significantly increased during a challenge video and correlated with the score of the StateTrait Anxiety Inventory (Takai et al., 2004, 2007).”
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“No studies, to our knowledge, evaluated adult male and female gymnasts during training and official TeamGym competition [2,15] that lasts longer than gymnastic competitions.”
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“In addition, they suggested that salivary amylase is a better soothing factor in comparison to the alivary cortisol, because it reacts notably and immediately (Takai et al., 2004).”
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Natural Sound Facilitates Mood Recovery
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“1 Following baseline measurement, all participants were exposed to a presumptively stress-inducing video similar to that utilized in prior research (Bosch et al., 2001; Takai et al., 2004).”
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“The saliva samples were collected before the intervention and three minutes after it ended [24] (Figure 3).”
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Salivary alpha‐amylase changes promoted by sustained exposure to affective pictures
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BackgroundMethodInfluentialAssessment of salivary amylase as a stress biomarker in pregnant patients
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“Past research has demonstrated the secretion of sAA as a response to a psychosocial stress, using the Trier Social Stress Test (TSST), and sAA secretion is also seen in individuals who underwent functional magnetic resonance imaging examination after viewing pictures associated with negative feelings,(7) and in indivi…”
Johnson, M. M., Mikolajewski, A. J., Shirtcliff, E. A., Eckel, L. A., & Taylor, J. E. (2015) · Hormones and Behavior · doi:10.1016/j.yhbeh.2015.04.010 · Cited by 24
“Participants were told to abstain from excessive exercise, eating, and consuming caffeinated beverages 1 h prior to the first session, as these activities can impact cortisol production (Takai et al., 2004).”
BackgroundBennett, S., Bennett, M. J., Chatchawan, U., Jenjaiwit, P., Pantumethakul, R., Kunhasura, S., & Eungpinichpong, W. (2015) · Journal of Bodywork and Movement Therapies · doi:10.1016/j.jbmt.2015.10.005 · Cited by 25
Patterns of cortisol and alpha-amylase reactivity to psychosocial stress in maltreated women
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“Alpha-amylase release is influenced by SAM activity (Proctor and Carpenter, 2007) and typically increases following stress exposure (Takai et al., 2004).”
BackgroundStress Inoculation: Preparing Outside the Box in Surgical Resuscitation and Education
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Salivary Biomarkers as a Predictive Factor in Anxiety, Depression, and Stress
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“Moreover, salivary α -amylase activity has been reported to be a more sensitive marker of psychologic stress 17 and exercise-induced stress than cortisol.”
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Symptoms of prenatal depression are associated with raised salivary alpha-amylase levels
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“High levels of sAA have been shown to signify psychological stress in young adults, whereas a decrease in sAA is considered to be an indicator of stress reduction [47].”
BackgroundImpact of Cognitive Tasks on CO2 and Isoprene Emissions from Humans
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Estimation of restraint stress in rats using salivary amylase activity
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Self-citationComparison of salivary cortisol, amylase, and chromogranin A diurnal profiles in healthy volunteers
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“This thought can lead to overall tension in the body, muscle stiffness, increased blood pressure and other physiological consequences connected to increased cortisol and amylase levels [6].”
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“When indicated, purified human salivary a-amylase (Sigma) was added to CDM at physiologic concentration (200 U ml-1) (Soderling et al., 1993; Takai et al., 2004).”
MethodBendezú, J. J., Perzow, S. E. D., & Wadsworth, M. E. (2016) · Psychoneuroendocrinology · doi:10.1016/j.psyneuen.2016.07.005 · Cited by 21
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Stress Salivary Biomarkers Variation during the Work Day in Emergencies in Healthcare Professionals
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“Its activation and recovery is slower than α-amylase [26].”
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“[11,20,25] As for the psychological component, marked alterations in alpha‐amylase levels were detected after applying stressors such as skydiving, academic tests, or stressful videos by different research groups[11,26,27] that could be an explanation for our results because our study finished in period of academic ex…”
ResultSalleh, N. A., Malarvili, M. B., & Phillips, A. C. (2019) · Medical & Biological Engineering & Computing · doi:10.1007/s11517-019-01958-3 · Cited by 22
Iizuka, N., Awano, S., & Ansai, T. (2012) · American Journal of Human Biology · doi:10.1002/ajhb.22247 · Cited by 17
Metadata
- Authors
- Takai, N., Yamaguchi, M., Aragaki, T., Eto, K., Uchihashi, K., & Nishikawa, Y.
- Affiliations
- Osaka Dental University (JP)
- University of Toyama (JP)
- Corresponding author
- Takai, Noriyasu
- ORCID
- Yamaguchi, Masaki
- Venue
- Archives of Oral Biology
- Publisher
- Elsevier BV
- Published
- 2004-12
- Volume
- 49
- Issue
- 12
- Pages
- 963-968
- ISSN
- 0003-9969 (ISSN-L)
- OpenAlex
- W2108805072
- Cited by
- 568
- References
- 35
- Citations by year
- 2026: 13 · 2025: 33 · 2024: 28 · 2023: 28 · 2022: 27 · 2021: 26 · 2020: 26 · 2019: 32 · 2018: 38 · 2017: 37 · 2016: 29 · 2015: 33 · 2014: 31 · 2013: 37 · 2012: 32
- FWCI
- 3.77
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Archives of Oral Biology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
- Health Sciences › Medicine › Physiology (medical) › Salivary Gland Disorders and Functions
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
- Keywords
- psychological stress, salivary cortisol, salivary amylase, stress biomarkers, trait anxiety, residual effects, relaxation, young adults
- MeSH terms
- Adult, Amylases, Anxiety, Female, Humans, Hydrocortisone, Male, Psychological Tests, Relaxation, Saliva, Salivary Proteins and Peptides, Stress, Psychological, Time Factors
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