The Effects of Inhalation of Unique Scent to Japan on Stress Relief: An Experimental Study Using Yuzu Essential Oil and Sakura Flower Cell Extract

The Effects of Inhalation of Unique Scent to Japan on Stress Relief: An Experimental Study Using Yuzu Essential Oil and Sakura Flower Cell Extract - The Effects of Inhalation of Unique Scent to Japan on Stress Relief: An Experimental Study Using Yuzu Essential Oil and Sakura Flower Cell Extract

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000022577

Enrollment

Registered

2016-06-04

Start date

2016-06-04

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

healthy female adults

Interventions

inhalation with sakura flower cell extract for 25 minutes inhalation with yuzu essential oil for 25 minutes inhalation with lavender essential oil for 25 minutes inhalation with water (without essenti

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1. subjects without taking medicines 2. subjects who are not pregnant 3. subjects who do not have olfactory disorder 4. subjects who do not have dry mouth (xerostomia)

Exclusion criteria

Exclusion criteria: subjects who cannot meet the above condition

Design outcomes

Primary

Measure	Time frame
1. salivary cortisol 2. biological antioxidant potential test	—

Secondary

Measure	Time frame
1. change of mood pre- and post-intervention on a scale of one to ten 2. correlations between physical and psychological stress	—

Countries

Japan

Contacts

Public ContactAyaka Suzuki

St. Luke's International University, College of Nursing Fundamentals of Nursing/ Biobehaviral Nursing

ayaka-suzuki@slcn.ac.jp03-3543-6391

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026