Skip to content

A comparative study of absorption and metabolism of catechins after ingestion of the beverage with different catechins compositions

A comparative study of absorption and metabolism of catechins after ingestion of the beverage with different catechins compositions - A comparative study of absorption and metabolism of catechins

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000049462
Enrollment
4
Registered
2022-11-25
Start date
2022-11-16
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 listed

Interventions

Single ingestion of green tea beverage A(380 ml) Single ingestion of green tea beverage B(380 ml)

Sponsors

Central Research Institute, ITO EN, Ltd.
Lead Sponsor
Graduate School of Agricultural Science, Tohoku University
Collaborator

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: (1)Males whose age are 18<=years old<60 and who work at Production Headquarters, ITOEN, LTD. (2)The person who has vaccination history of hepatitis B is prioritized for the safety of analyst.

Exclusion criteria

Exclusion criteria: (1) Subjects who are with treatment. (2) Subjects who have severe anemia. (3) Subjects who are with allergy to the study foods or meals in the test period. (4) Subjects who are with current or past medical history of gastrointestinal disease, cardiovascular disease, nephritis and others. Subjects who are with severe mental disorder. (5) Subjects who have potential to change the lifestyle in the test period. (6) Smokers. (7) Subjects who regularly intake foods for specified health uses or foods with functional claims. (8) Subjects who regularly intake pharmaceuticals including oriental medicines or dietary supplements. (9) Subjects who are with allergy to pharmaceuticals or foods related to the study foods. (10) Subjects who donated 200mL of blood within the past 1 month, 400mL of blood within the past 3 months, or blood component within the past 2 weeks at the time of this trial. (11) Subjects who are judged to be unsuitable for the test by the medical doctor for the other reasons.

Design outcomes

Primary

MeasureTime frame
Pharmacokinetics and metabolism of ingested catechins

Countries

Japan

Contacts

Public ContactShuto Tsunemi

ITO EN, Ltd. Central Research Institute

m-kobayasi@itoen.co.jp0548541247

Outcome results

None listed

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