Yellow Potatoes and Carotenoids

N/AActive Not RecruitingNCT07606001

University of Florida30 enrolled

Overview

This study will assess the effects of daily intake of yellow and white potatoes on plasma lutein and zeaxanthin concentrations. Skin carotenoid levels will be assessed using the Veggie Meter.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

OTHER

Masking

SINGLE

Enrollment

Conditions

Carotenoids

Interventions

Yellow-flesh potatoesOTHER

Participants will consume 250 g daily of yellow-flesh potatoes.

White-flesh potatoesOTHER

Participants will consume 250 g daily of white-flesh potatoes.

Eligibility

Sex: ALLMin age: 18 YearsMax age: 80 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 ≤ 300 * Willing to adhere to study procedures Exclusion Criteria: * Baseline Veggie Meter score of \>300 * Potato allergy * 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

Locations (1)

University of Florida

Gainesville, Florida, United States

Outcomes

Primary Outcomes

Plasma zeaxanthin

Plasma concentration of zeaxanthin

Time frame: 28 days

Secondary Outcomes

Plasma lutein

Plasma concentration of lutein

Time frame: 28 days

Skin carotenoid content

Skin carotenoid content by reflection spectroscopy

Time frame: 28 days

Data from ClinicalTrials.gov

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