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Element and radionuclide concentrations in food: FDA Total Diet Study 1991-1996.

S G Capar¹, W C Cunningham

¹U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, Washington, DC 20204, USA.

Journal of AOAC International

|February 29, 2000

Summary

The U.S. Food and Drug Administration

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Area of Science:

Food safety and nutrition analysis
Environmental monitoring of contaminants
Analytical chemistry and quality control

Background:

The U.S. Food and Drug Administration's Total Diet Study (TDS) monitors nutrient and contaminant levels in the food supply.
Previous TDS data provides a baseline for assessing dietary intake and potential risks.
Accurate food composition data is crucial for public health assessments and regulatory decisions.

Purpose of the Study:

To analyze elemental and radionuclide concentrations in U.S. foods purchased between 1991-1997.
To update the information base for assessing the safety and nutritive value of the food supply.
To provide data for potential use in food composition databases and comparisons with existing literature.

Main Methods:

Analysis of food samples collected nationwide under the TDS program.
Detailed description of food analysis procedures and quality control measures.
Inclusion of independent interlaboratory exercises to ensure data reliability.

Main Results:

Summarized analytical results for key elements (Cd, Pb, Ni, As, Hg, Se, Cu, Zn, Mn, Fe, Mg, Ca, P, K, Na).
Reported concentrations for significant radionuclides (137Cs, 131I, 106Ru, 90Sr).
Provided concentration data for a wide range of food items.

Conclusions:

The study expands the data available for evaluating the safety and nutritional quality of the U.S. food supply.
The generated data supports risk assessments and enhances food composition databases.
Findings contribute to the ongoing monitoring of dietary intake of elements and radionuclides.

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