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Study on influence of a Japanese traditional tea of Matcha ingestion on work efficiency and fatigue.

Study on influence of a Japanese traditional tea of Matcha ingestion on work efficiency and fatigue. - Study on influence of a Japanese traditional tea of Matcha ingestion on mind and body.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000037886
Enrollment
40
Registered
2019-09-02
Start date
2019-09-02
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

Matcha (high quality) 150 ml Single intake Matcha (low quality) 150 ml Single intake Water 150 ml Single intake Theanine-containing water 150 ml Single intake

Sponsors

Kyoto Prefectural University of Medicine
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1) Healthy college student, Graduate student 2) Person who can acquire the consent of research participation by voluntary intention from himself in writing 3) Patients who aged 20 to over 30 when their ages were acquired 4) Male 5) Those who applied for recruitment as a part-time job and who applied for volunteers

Exclusion criteria

Exclusion criteria: 1) smoker 2) Persons with severe disease 3) Person who can not do personal computer work 4) Persons who have an allergic reaction in tea

Design outcomes

Primary

MeasureTime frame
Work efficiency for 60 minutes after drinking (Score of personal computer work, EEG, heart rate variability)—

Countries

Japan

Contacts

Public ContactEri Watanabe

Kyoto Prefectural University of Medicine Immunology

e-w@koto.kpu-m.ac.jp0752515329

Outcome results

None listed

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