Effect of continuous intake of onion outer skin powder on human microbiota

Effect of continuous intake of onion outer skin powder on human microbiota - onion outer skin powder

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000037325

Enrollment

Registered

2019-08-16

Start date

2019-08-19

Completion date

Unknown

Last updated

2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy adults

Interventions

To take the onion outer skin powder (4.8g/day) once a day for 14 days

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: no health problems found by the in advance medical check

Exclusion criteria

Exclusion criteria: health problems are found by the in advance medical check

Design outcomes

Primary

Measure	Time frame
Significant changes in the composition and counts of intestinal microbiota after intake of onion outer skin powder for 1 week or 2 weeks	—

Secondary

Measure	Time frame
Significant changes in the concentration of intestinal organic acid concentrations	—

Countries

Japan

Contacts

Public ContactKoji Nomoto

Tokyo University of Agriculture Department of Molecular Microbiology

kn206166@nodai.ac.jp0354773174

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 19, 2026