Effect of GABA-Fortified Oolong Tea on Reducing Stress in a University Student Cohort
GABA-containing tea has gained popularity as an accessible intervention to reduce the impact of chronic stress-induced autonomic imbalance and increased risk for cardiovascular disease despite a lack of evidence concerning the γ-aminobutyric acid (GABA) content in a cup of the tea and its effects on...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2019-03-01
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| Series: | Frontiers in Nutrition |
| Subjects: | |
| Online Access: | https://www.frontiersin.org/article/10.3389/fnut.2019.00027/full |
| _version_ | 1818920779522244608 |
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| author | Tina Hinton Herbert F. Jelinek Herbert F. Jelinek Vincent Viengkhou Graham A. Johnston Slade Matthews |
| author_facet | Tina Hinton Herbert F. Jelinek Herbert F. Jelinek Vincent Viengkhou Graham A. Johnston Slade Matthews |
| author_sort | Tina Hinton |
| collection | DOAJ |
| description | GABA-containing tea has gained popularity as an accessible intervention to reduce the impact of chronic stress-induced autonomic imbalance and increased risk for cardiovascular disease despite a lack of evidence concerning the γ-aminobutyric acid (GABA) content in a cup of the tea and its effects on physiological and psychological stress as measures of cognitive function. We aimed to measure the effects of GABA-fortified tea consumption on heart rate variability (HRV) and stress in 30 participants using a pre-post cohort study design. Ten minute lead II ECG recordings were analyzed with Kubios software. Frequency domain parameters including total power, high and low frequency power, along with heart rate, were determined. A control group that consumed a non-fortified tea was included in the research. Statistical analysis was by two-way ANOVA for two-group comparison with time as an interaction and a significance level of p < 0.05. Oolong tea consumption led to a significant decrease in the immediate stress score and a significant improvement in HRV. We conclude that autonomic imbalance and HRV in people with acute stress is significantly reduced following a cup of GABA fortified oolong tea and highlights the complex interaction between autonomic nervous system function and mood. |
| first_indexed | 2024-12-20T01:27:10Z |
| format | Article |
| id | doaj.art-3b8adf20585f421f9667df6e98028af9 |
| institution | Directory Open Access Journal |
| issn | 2296-861X |
| language | English |
| last_indexed | 2024-12-20T01:27:10Z |
| publishDate | 2019-03-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Nutrition |
| spelling | doaj.art-3b8adf20585f421f9667df6e98028af92022-12-21T19:58:12ZengFrontiers Media S.A.Frontiers in Nutrition2296-861X2019-03-01610.3389/fnut.2019.00027407653Effect of GABA-Fortified Oolong Tea on Reducing Stress in a University Student CohortTina Hinton0Herbert F. Jelinek1Herbert F. Jelinek2Vincent Viengkhou3Graham A. Johnston4Slade Matthews5Pharmacology, School of Medical Sciences, University of Sydney, Sydney, NSW, AustraliaClinical Medicine, Macquarie University, Sydney, NSW, AustraliaSchool of Community Health, Charles Sturt University, Bathurst, NSW, AustraliaPharmacology, School of Medical Sciences, University of Sydney, Sydney, NSW, AustraliaPharmacology, School of Medical Sciences, University of Sydney, Sydney, NSW, AustraliaPharmacology, School of Medical Sciences, University of Sydney, Sydney, NSW, AustraliaGABA-containing tea has gained popularity as an accessible intervention to reduce the impact of chronic stress-induced autonomic imbalance and increased risk for cardiovascular disease despite a lack of evidence concerning the γ-aminobutyric acid (GABA) content in a cup of the tea and its effects on physiological and psychological stress as measures of cognitive function. We aimed to measure the effects of GABA-fortified tea consumption on heart rate variability (HRV) and stress in 30 participants using a pre-post cohort study design. Ten minute lead II ECG recordings were analyzed with Kubios software. Frequency domain parameters including total power, high and low frequency power, along with heart rate, were determined. A control group that consumed a non-fortified tea was included in the research. Statistical analysis was by two-way ANOVA for two-group comparison with time as an interaction and a significance level of p < 0.05. Oolong tea consumption led to a significant decrease in the immediate stress score and a significant improvement in HRV. We conclude that autonomic imbalance and HRV in people with acute stress is significantly reduced following a cup of GABA fortified oolong tea and highlights the complex interaction between autonomic nervous system function and mood.https://www.frontiersin.org/article/10.3389/fnut.2019.00027/fulloolong teaGABAheart rate variabilitystressautonomic nervous system |
| spellingShingle | Tina Hinton Herbert F. Jelinek Herbert F. Jelinek Vincent Viengkhou Graham A. Johnston Slade Matthews Effect of GABA-Fortified Oolong Tea on Reducing Stress in a University Student Cohort Frontiers in Nutrition oolong tea GABA heart rate variability stress autonomic nervous system |
| title | Effect of GABA-Fortified Oolong Tea on Reducing Stress in a University Student Cohort |
| title_full | Effect of GABA-Fortified Oolong Tea on Reducing Stress in a University Student Cohort |
| title_fullStr | Effect of GABA-Fortified Oolong Tea on Reducing Stress in a University Student Cohort |
| title_full_unstemmed | Effect of GABA-Fortified Oolong Tea on Reducing Stress in a University Student Cohort |
| title_short | Effect of GABA-Fortified Oolong Tea on Reducing Stress in a University Student Cohort |
| title_sort | effect of gaba fortified oolong tea on reducing stress in a university student cohort |
| topic | oolong tea GABA heart rate variability stress autonomic nervous system |
| url | https://www.frontiersin.org/article/10.3389/fnut.2019.00027/full |
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