Sweet Corn and Carotenoids

N/AActive Not RecruitingNCT06892444

University of Florida40 enrolled

Overview

This study will assess the effect of daily yellow and white sweet corn intake on serum lutein and zeaxanthin concentrations. Skin carotenoid levels using the Veggie Meter will be assessed, and gastrointestinal symptoms and changes in fecal microbiota during a 4-week intervention period will be monitored.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

OTHER

Masking

SINGLE

Enrollment

Conditions

Carotenoids

Interventions

Yellow Sweet CornDIETARY_SUPPLEMENT

Participants will consume 1.5 cups daily of yellow or white canned sweet corn.

White Sweet CornDIETARY_SUPPLEMENT

1.5 cups daily of canned yellow sweet corn

Eligibility

Sex: ALLMin age: 18 YearsMax age: 90 YearsHealthy volunteers:

Medical Language ↔ Plain English

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.

Locations (1)

University of Florida

Gainesville, Florida, United States

Outcomes

Primary Outcomes

Serum concentration of lutein + zeaxanthin

Sum of serum concentrations of lutein and zeaxanthin.

Time frame: 28 days

Data from ClinicalTrials.gov

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