Diffuse of each five Essential oils differently effects memory and calculation ability and Total Frequency on tasks in healthy young adult men.

Diffuse of each five Essential oils differently effects memory and calculation ability and Total Frequency on tasks in healthy young adult men. - Diffuse of Essential oils effects memory and calculation ability and Total Frequency on tasks in healthy men.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000025289

Enrollment

Registered

2016-12-15

Start date

2016-12-15

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 adults

Interventions

no odor Inhalation of Grapefruit oil Inhalation of Geranium Bourbon oil Inhalation of Lavender oil Inhalation of Peppermint oil Inhalation of Palmarosa oil

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: A healthy male over 20 years old

Exclusion criteria

Exclusion criteria: Smoker Severe allergy Respiratory organs with heart disease Persons with mental illness Those who are taking medication for treatment of disease

Design outcomes

Primary

Measure	Time frame
memory tests (During the inhalation of odors)	—

Secondary

Measure	Time frame
Mood measures Measure of heart rate variability	—

Countries

Japan

Contacts

Public ContactERI WATANABE

Kyoto Prefectural University of Medicine Department of Immunology

e-w@koto.kpu-m.ac.jp075-251-5329

Outcome results

None listed

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