Effects of Calcium and Phytate on Zinc Absorption
Information source: USDA Grand Forks Human Nutrition Research Center
ClinicalTrials.gov processed this data on August 20, 2015 Link to the current ClinicalTrials.gov record.
Condition(s) targeted: Dietary Zinc Absorption
Intervention: Moderate Calcium, Low phytate Diet (Dietary Supplement); Moderate Calcium, High Phytate Diet (Dietary Supplement); High Calcium, Low Phytate Diet (Dietary Supplement); High Calcium, High Phytate Diet (Dietary Supplement)
Phase: N/A
Status: Completed
Sponsored by: USDA Beltsville Human Nutrition Research Center Official(s) and/or principal investigator(s): Janet R Hunt, Principal Investigator, Affiliation: USDA Grand Forks Human Nutrition Research Center
Summary
This study is determine the effects of dietary calcium and phytate on zinc absorption.
Clinical Details
Official title: Effects of Calcium and Phytate on Zinc Absorption
Study design: Allocation: Randomized, Endpoint Classification: Bio-availability Study, Intervention Model: Factorial Assignment, Masking: Open Label, Primary Purpose: Prevention
Primary outcome: 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.
Eligibility
Minimum age: 21 Years.
Maximum age: 50 Years.
Gender(s): Female.
Criteria:
Inclusion Criteria:
- Average weight for height
Exclusion Criteria:
- Medications other than birth control pills or hormone replacement therapy,
- Pregnancy within last 6 months
Locations and Contacts
United States Department of Agriculture Grand Forks Human Nutrition Research Center, Grand Forks, North Dakota 58202, United States
Additional Information
Starting date: November 2005
Last updated: May 31, 2011
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