Abstract
Fast food products are becoming a significant source of nutrients in the American diet. Frequently, investigators determine the nutrient content of a food from a limited local sampling, which can produce misleading results when used to provide estimates of nutrient content on a nationwide basis. It is the purpose of this paper to illustrate how a national sampling plan that will provide representative nutrient content values can be developed from the results of a limited local sampling. The riboflavin, flavin mononucleotide, flavin adenine dinucleotide, and total riboflavin contents of fast food hamburgers collected in Maryland are used as an illustration, and three distinct national sampling plans are developed, each of which will estimate the national B 2 vitamer contents of fast food hamburgers with ⩽10% variability.
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