Journal of Food Composition and Analysis
www.ars.usda.gov › ARSUserFiles › 80400525The primary source of food composition data in the United States is the U.S. Department of Agriculture’s (USDA) National Nutrient Database for Standard Reference (SR) (USDA, 2008). The USDA National Food and Nutrient Analysis Program (NFNAP) is an ongoing project to update and improve the quality of food composition data in SR (Haytowitz et ...