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Bioavailability and Vitamin A equivalence of carotenoids from biofortified maize. Here in we will assess the relative absorption of carotenoids from biofortified maize lines compared to beta-carotene standard in adult human subjects.

Bioavailability and Vitamin A equivalence of carotenoids from biofortified maize in humans

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2022/09/045367
Enrollment
18
Registered
2022-09-09
Start date
Unknown
Completion date
Unknown
Last updated
2022-10-17

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

Conditions

None listed

Interventions

Intervention1: biofortified maize porridge, �²-carotene fortified white maize porridge, and vitamin A fortified white maize porridge: On the day of the experiment, the subjects will be randomly assi

Sponsors

ICMR National Institute of Nutrition
Lead Sponsor
Indian Council of Agriculture Research
Collaborator

Eligibility

Inclusion criteria

Inclusion criteria: 20 healthy non-smoking men and women (1:1) aged 20-30 years will be recruited for the study.

Exclusion criteria

Exclusion criteria: Persons with diabetes, malabsorption, cancer, any chronic diseases. Participants with smoking and drinking habits will be excluded.

Design outcomes

Primary

MeasureTime frame
Relative conversion of B-carotene to serum retinol from biofortified maize to that of B-carotene standard.Timepoint: Three time points with an interval of three weeks—

Secondary

MeasureTime frame
Conversion ratio of b-carotene to retinol from biofortified maizeTimepoint: three times points—

Countries

India

Contacts

Public ContactDr Raghu Pullakhandam

NATIONAL INSTITUTE OF NUTRITION

raghu_nin2000@yahoo.com9849209414

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026