Effects of sweet corn on carotenoid levels in adults
Effects of Sweet Corn Intake on Carotenoid Levels and Gastrointestinal Wellness
This study is testing whether eating yellow and white sweet corn every day for four weeks can increase levels of important nutrients in the body for adults.
Quick facts
| Phase | Not applicable |
|---|---|
| Study type | Interventional |
| Enrollment | 40 (estimated) |
| Ages | 18 Years to 90 Years |
| Sex | All |
| Sponsor | University of Florida Academic / other |
| Locations | 1 site (Gainesville, Florida) |
| Trial ID | NCT06892444 on ClinicalTrials.gov |
What this trial studies
This study evaluates how daily consumption of yellow and white sweet corn influences serum levels of lutein and zeaxanthin, two important carotenoids. Participants will consume sweet corn for four weeks, during which their skin carotenoid levels will be measured using a Veggie Meter. Additionally, gastrointestinal symptoms and changes in fecal microbiota will be monitored to assess the overall impact of sweet corn intake. The study aims to provide insights into dietary sources of carotenoids and their potential health benefits.
Who should consider this trial
Good fit: Ideal candidates are adults aged 18 and older with a baseline Veggie Meter score of 250 or lower who can adhere to study procedures.
Not a fit: Patients with a baseline Veggie Meter score above 250, corn allergies, or gastrointestinal diseases may not benefit from this study.
Why it matters
Potential benefit: If successful, this study could enhance dietary recommendations for increasing carotenoid intake through sweet corn consumption.
How similar studies have performed: While there is limited data on sweet corn specifically, other studies have shown positive effects of carotenoid-rich diets on health outcomes, suggesting potential for success in this approach.
Eligibility criteria
Show full inclusion / exclusion criteria
Inclusion Criteria: * Adults ≥ 18 years of age * Able to provide written consent in English * Baseline Veggie Meter score of ≤ 250 (Scale from 0 to 850) * Willing to adhere to study procedures Exclusion Criteria: * Baseline Veggie Meter score of \>250 * Corn allergy * Current use of laxatives or antidiarrheal medications * Previously or currently being treated for intestinal disease, including irritable bowel syndrome, Crohn's disease, ulcerative colitis, celiac disease, or gastrointestinal cancer * Previous gastrointestinal surgery (e.g., gastric bypass, fundoplication, bowel resection) * Current cancer treatment * Current pregnancy * Vegetarian diet * Elite athletes or long-distance runners. * Use of antibiotic drugs within 1 month of the screening visit.
Where this trial is running
Gainesville, Florida
- University of Florida — Gainesville, Florida, United States (Recruiting)
Study contacts
- Study coordinator: Wendy J Dahl, PhD
- Email: wdahl@ufl.edu
- Phone: 352-294-3707
How to participate
- Review the eligibility criteria above with your treating physician.
- Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
- Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.