Effects of Chocolate Rich in Oleic Acid and Flavanols on Energy Metabolism

Effects of Chocolate Rich in Oleic Acid and Flavanols on Energy Metabolism - Effects of Chocolate Rich in Oleic Acid and Flavanols on Energy Metabolism

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000050724

Enrollment

Registered

2023-04-01

Start date

2023-03-15

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

Adult

Interventions

Consume common milk chocolate for 2 weeks. Consume chocolate rich in oleic acid and flavanols for 2 weeks.

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Persons with no health problems Persons with no sleep problems

Exclusion criteria

Exclusion criteria: Smokers Shift workers

Design outcomes

Primary

Measure	Time frame
Energy metabolism (energy expenditure, respiratory quotient, fat oxidation, carbohydrate oxidation)	—

Secondary

Measure	Time frame
Serum free fatty acids, hormone secretion, serum metabolites, urine metabolites, sleep EEG, body temperature, heart rate, autonomic nervous activity and gene expression in leukocytes	—

Countries

Japan

Contacts

Public ContactKatsuhiko Yajima

Josai university Faculty of Pharmacy

k-yajima@josai.ac.jp049-271-8015

Outcome results

None listed

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