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Study on effects of functional fermented tea, Wonder Leaf, made from green tea leaves and loquat leaves on postprandial blood glucose levels

Study on effects of functional fermented tea, Wonder Leaf, made from green tea leaves and loquat leaves on postprandial blood glucose levels - Study on effects of functional fermented tea made from green tea leaves and loquat leaves on postprandial blood glucose levels

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000019714
Enrollment
50
Registered
2015-11-09
Start date
2015-11-09
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

Postprandial hyperglycemia

Interventions

The subjects ingested a single intake of the placebo meal, and injested a single intake of the active meal after 7 days or 14 days. The subjects ingested a single intake of the active meal, and injest

Sponsors

University of Nagasaki
Lead Sponsor
Nagasaki Prefecture
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Aged more than 20 2) Fasting blood glucose > 82, and < 144 mg/dl 3) Individuals who understand the purpose and contents of the experiment

Exclusion criteria

Exclusion criteria: 1) Individuals taking drugs, supplements and healthy foods which affect the glucose level. 2) Subjects who are contracting kidney and/or liver diseases. 3) Individuals judged to have diabetes mellitus. 4) Individuals with a chronic disease. 5) Person who donated more than 400 ml of blood within 3 months prior to the study. 6) Pregnant women, or women with intending to become pregnant, and lactating women. 7) Individuals participating or intending to participate in a drug administration test. 8) Individuals judged by the doctor to be unsuitable.

Design outcomes

Primary

MeasureTime frame
Postprandial blood glucose (0, 30, 60 and 120 min)

Secondary

MeasureTime frame
Blood pressure, Body weight, BMI

Countries

Japan

Contacts

Public ContactHideki Ito

University of Nagasaki Faculty of Nursing and Nutrition

katanaka@sun.ac.jp095-813-5500

Outcome results

None listed

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