Psychological and autonomic effects of sudachi juice

Psychological effects and changes in autonomic function indices induced by sudachi juice - Psychological effects and changes in autonomic function indices induced by sudachi juice

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000051179

Enrollment

Registered

2023-05-28

Start date

2023-07-26

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

none

Interventions

sudachi juice citric acid solution

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy University of Tokushima students

Exclusion criteria

Exclusion criteria: Persons with food allergies to citrus fruits

Design outcomes

Primary

Measure	Time frame
Change in HF at 2 minutes after drinking each sample	—

Secondary

Measure	Time frame
Change in psychological stress response score (SRS-18) before and after intervention Change in the following autonomic indices before and after the intervention L/H (sympathetic nervous system activity index) CVRR Comparison of changes in HF between those from Tokushima Prefecture and those from other prefectures	—

Countries

Japan

Contacts

Public ContactYoshihiro Okura

Tokushima University Hospital Department of General Medicine and Primary Care

ookura.yoshi@tokushima-u.ac.jp088-633-9656

Outcome results

None listed

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