Effects of ingestion of mixed fermented tea leaf powder made from unripe orange fruits and green tea leaves on coldness

Effects of ingestion of mixed fermented tea leaf powder made from unripe orange fruits and green tea leaves on coldness - Effects of fermented tea leaf powder on coldness

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000030243

Enrollment

Registered

2017-12-08

Start date

2017-12-01

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

coldness

Interventions

The subjects ingested a single intake of the placebo meal, and injested a single intake of the active meal (low concentration) after 7 days. And injested a single intake of the active meal (high con

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Healthy male and female between 20 and 70 years old 2) Indeividuals who has subjective symptoms of coldness 3) Individuals who can refrain from drinking and eating during the test period 4) Individuals who understand the purpose and contents of the experiment

Exclusion criteria

Exclusion criteria: 1)Subjects who are contracting or treating severe diabetes mellitus,kidney and/or liver diseases 2)Individuals with a chronic diseases and regularly use drugs 3)Those who can not stop taking a large amount of green tea or black tea during the test period 4)Pregnant women, or women with intending to become pregnant, and lactating woman 5)Individuals participating or intending to participate in a drug administration test 6)Individuals judged by the doctor to be unsuitable

Design outcomes

Primary

Measure	Time frame
coldness	—

Countries

Japan

Contacts

Public ContactHideki Ito

Univercity of Nagasaki Regional Partnership Center

katanaka@sun.ac.jp095-813-5500

Outcome results

None listed

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