Male/female adults
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Men and women aged 30 to below 50 years at the time of consent acquisition. 2. Volunteers whose body mass index (BMI) is under 30kg/m2 3. Volunteers who can give informed consent to partake in this study, after being provided with an explanation of the protocol detail.
Exclusion criteria
Exclusion criteria: 1. Volunteers being poor at having a smell of any kind of tea. 2. Volunteers falling into the habit of smoking (not less than half a year). 3. Volunteers who have periodically used health-specific / functional (e.g., gamma-aminobutyric acid, L-theanine)/ health foods including supplements, the trial results. 4. Volunteers with incompatible eyeballs/eyelashes for pupillometry. 5. Volunteers with any hindrances to a pupil measurement (e.g., dry eye). 6. Volunteers having a subjective symptom of claustrophobia and nyctophobia. 7. Volunteers being under some kind of continuous medical treatment. 8. Volunteers with the condition of being over-sensitiveness to cold, even during the summer season. 9. Volunteers with nasal congestion and/or wrong judgement of fragrance. 10. Volunteers with previous and/or current medical history of serious diseases in heart, liver, kidney and/or digestive organs. 11. Volunteers with an external injury on their forehead or finger. 12. Volunteers who are participating in the other clinical trials and/or who have participated in the other clinical trials within a month prior to the current trial and/or who are planning to participate in the other clinical trials. 13. Volunteers with some kind of skin symptom, disease or disorder (e.g., atopic dermatitis). 14. Pregnant, possibly pregnant, or lactating women. 15. Volunteers deemed unsuitable for participation in the trial by the principal investigator or sub-investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| pupillary light reflex | — |
Secondary
| Measure | Time frame |
|---|---|
| Subjective questionnaire (VAS questionnaire and Multifaceted emotional state scale), Skin temperature, Brain activity | — |
Countries
Japan
Contacts
CPCC Company Limited Clinical Planning Department