Correlation between the indices of autonomic nervous system and mood after drinking chamomile tea

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  • Moriya Kiyoshi
    Division of Health and Sports Science, Graduate School of Education, Hokkaido University
  • Oda Shiro
    Division of Health and Sports Science, Graduate School of Education, Hokkaido University
  • Nakamura Hiromi
    Department of Health and Sports Science, Faculty of Education, Hokkaido University
  • Yano Etsuko
    Plant Ecochemicals Research Center
  • Kakuta Hideo
    Plant Ecochemicals Research Center

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Other Title
  • カモミール茶摂取による自律神経機能と感情指標の変化 : 青年男性における検討

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Physiological and psychological evaluations are both necessary in order to judge the effects of aromatic substances. We measured the both changes in autonomic nervous system parameters (i.e. heart rate R-R intervals data and skin temperature) and mood scores (i.e. pleasantness, relaxation and anxiety) following drinking chamomile tea (or hot water of same volume and temperature as chamomile tea) after 45 min Kraepelin test. Scores of relaxation increased after drinking chamomile tea. Decrease of heart rate and LF/HF ratio, an indicator of sympathetic nervous activity, were greater after drinking chamomile tea than hot water. Elevation of peripheral skin temperature was higher after drinking chamomile tea than hot water. Significant correlation was observed between changes in relax scores and autonomic nervous system parameters after drinking chamomile tea. From the results, it became obvious that the objective physiological parameters fully correlated with the psychological indices reported subjectively using the standardized questionnaire.

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