None (Healthy adults)
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Males and females aged 30 to 69 years-old (2) BMI: 18.5 - 25.0 (3) Subjects who can maintain normal lifestyle during the survey period (4) Subjects who can make self-judgment and are voluntarily giving written informed consent
Exclusion criteria
Exclusion criteria: (1) Subjects who have serious complication or suffer from urgent need of medical treatment (2) Subjects who can't stop using medicines, supplements and/or functional foods (including Food for Specified Health Uses or Foods with Function Claims) that may affect the investigation during the survey periods (3) Subjects who have a history of and/or contract drug addiction and/or alcoholism (4) Subjects who have meals less than twice a day (5) Subjects who work night shifts or shift workers (6) Subjects who have abnormality in renal function (7) Subjects who repeats cystitis frequently (8) Subjects whose menstruation is predicted during the test periods (9) Subjects who have a history and/or a surgical history of digestive disease affecting digestion and absorption (10) Subjects who have a history of and/or contract serious diseases (eg, heart disease, liver disease, endocrine disease, thyroid disease, adrenal disease and/or metabolic disease) (11) Subjects who are pregnant, lactation, or planning to become pregnant (12) Subjects who are planning to participate and/or participate in other clinical studies (13) Subjects who are judged as unsuitable for the current study by the investigator for other reasons
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The correlation between dietary polyphenol intake and the concentration of total polyphenol in 24 hour-urine and first morning-urine samples | — |
Secondary
| Measure | Time frame |
|---|---|
| The concentration of antioxidant parameters (eg. total antioxidant capacity, 8-OHdG, 8-isoprostane) in 24 hour-urine and first morning-urine samples | — |
Countries
Japan
Contacts
Ochanomizu University Endowed Research Depeartment "Food for Health"