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What is the Source of Food Composition Data used in the U.S. Food Supply?

April 26, 2017composition Data food source supply Used

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What is the Source of Food Composition Data used in the U.S. Food Supply?

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A. The food composition data used to estimate the nutrients available in the Food Supply are obtained from USDA’s ARS Nutrient Data Laboratory (NDL) and include: the Primary Nutrient Data Set (PDS), which contains approximately 3,000 foods and their nutrient profiles; the most current USDA National Nutrient Database for Standard Reference; and food specialists who develop nutrient profiles for food supply unique items. Food composition values are based primarily on laboratory analysis. If laboratory values are not available, values are imputed from data for other forms of the same food or from data for similar foods.