Study on effects of functional fermented tea, Wonder Leaf, made from green tea leaves and loquat leaves on postprandial blood glucose levels, part2.

Study on effects of functional fermented tea, Wonder Leaf, made from green tea leaves and loquat leaves on postprandial blood glucose levels, part2. - Effects of functional tea on postprandial blood glucose levels, part2.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000021650

Enrollment

Registered

2016-03-28

Start date

2016-03-28

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 (low concentration) after 7 days or 14 days. And injested a single intake of the active meal

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 diseases. 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 woman. 7)Individuals participating or intending to participate in a drug administration test. 8)Individuals judged by the doctor to be unsuitable.

Design outcomes

Primary

Measure	Time frame
Postprandial blood glucose (0,30,60 and 120min)	—

Secondary

Measure	Time frame
Body weight	—

Countries

Japan

Contacts

Public ContactKazunari Tanaka

Univercity of Nagasaki Faculty of Nursing and Nutrition

katanaka@sun.ac.jp095-813-5216

Outcome results

None listed

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