NCT00754390

Effects of Calcium and Phytate on Zinc Absorption

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 17 (actual)
• Sponsor: USDA Grand Forks Human Nutrition Research Center · Federal
• Sex: Female
• Age: 21 Years – 50 Years
• Healthy volunteers: Accepted

Summary

This study is determine the effects of dietary calcium and phytate on zinc absorption.

Detailed description

Zinc absorption is tested from 2 days of consuming each of four diets with zinc-65 isotope, followed by retention monitoring in a whole body scintillation counter for 4 weeks. All four 4 experimental diets are tested with each subject, in randomized order, for a total of 16 weeks.

Conditions

• Dietary Zinc Absorption

Interventions

Type	Name	Description
DIETARY_SUPPLEMENT	Moderate Calcium, Low phytate Diet	Participants consumed diet containing 700 milligrams calcium and 440 milligrams of phytate for 4 weeks
DIETARY_SUPPLEMENT	Moderate Calcium, High Phytate Diet	Participants consumed diet containing 700 milligrams calcium and 1800 milligrams of phytate for 4 weeks
DIETARY_SUPPLEMENT	High Calcium, Low Phytate Diet	Participants consumed diet containing 1900 milligrams calcium and 440 milligrams of phytate for 4 weeks
DIETARY_SUPPLEMENT	High Calcium, High Phytate Diet	Participants consumed diet containing 1900 milligrams calcium and 1800 milligrams of phytate for 4 weeks

Timeline

• Start date: 2005-11-01
• Primary completion: 2006-05-01
• Completion: 2006-05-01
• First posted: 2008-09-18
• Last updated: 2018-07-02
• Results posted: 2009-06-08

Locations

1 site across 1 country: United States