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American Journal of Clinical Nutrition, Vol 50, 1128-1132, Copyright © 1989 by The American Society for Nutrition

Analysis of dietary data

Betty P Perloff 1

1 From the US Department of Agriculture, Human Nutrition Information Service, Nutrition Monitoring Division, Nutrient Data Research Branch

A reliable dietary analysis system is a requirement for accurate nutritional analysis of dietary data. Information provided in this paper can be used to assist with the development of new systems or with evaluation of existing systems. Development of a dietary analysis system for research usually begins with a food composition data set from USDA. Major sources of data to insert for missing values include USDA (provisional data released from the USDA Nutrient Data Bank prior to final data processing), food companies, and the scientific literature. Calculations can be used for estimating nutrient content of some foods. Other components of a dietary analysis system include the method for computerizing the dietary data and the software for making conversions and producing reports. Several resources exist to help researchers develop reliable systems.

Key Words: Dietary analysis system • nutrient database • food composition






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Copyright © 1989 by The American Society for Nutrition