Green odor attenuates a cold pressor test-induced cardiovascular response in healthy adults

Takakazu Oka, Sota Hayashida, Yuko Kaneda, Masaki Takenaga, Yoko Tamagawa, Sadatoshi Tsuji, Akikazu Hatanaka

研究成果: Contribution to journalArticle査読

19 被引用数 (Scopus)


Background: Green odor, a mixture of equal amounts of 2E-hexenal (leaf aldehyde) and 3Z-hexenol (leaf alcohol) has been demonstrated to have an anti-stress effect in rats. This study investigated whether or not green odor also has an anti-stress effect in humans. Methods: Changes in blood pressure, heart rate, and the skin temperature of a fingertip were observed after presenting green odor at a concentration of 0.03% or vehicle via inhalation through the nose for 10 min to eight healthy normotensive adults. We also assessed the pleasantness of green odor and its effect on mood states via assessment with the Profile of Mood States (POMS) questionnaire. Cardiovascular response to green odor and the vehicle were compared among 11 additional healthy adults by use of the cold pressor test. Results: Of 19 subjects, 15 (79%) reported that the green odor was pleasant. Green odor had no effect on blood pressure, heart rate, skin temperature, or POMS score under non-stressful conditions. In the second experiment, green odor attenuated cold pressor test-induced increases in systolic and diastolic blood pressure and facilitated the recovery of skin temperature. Conclusion: These findings suggest that green odor has an anti-stress effect in healthy humans.

ジャーナルBioPsychoSocial Medicine
出版ステータス出版済み - 1 15 2008

All Science Journal Classification (ASJC) codes

  • 社会心理学
  • 心理学(全般)
  • 精神医学および精神衛生
  • 生物学的精神医学


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