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Am J Clin Nutr. 2014 Jun;99(6):1525-42. doi: 10.3945/ajcn.114.089284. Epub 2014 Apr 23.

Processed foods: contributions to nutrition.

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Department of Nutrition Science, College of Health and Human Sciences, Purdue University, West Lafayette, IN;
Jean Mayer USDA Human Nutrition Research Center on Aging, School of Medicine, and Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA; Office of Dietary Supplements, NIH, Bethesda, MD;
Nutrition Impact LLC, Battle Creek, MI;
Department of Nutrition, University of California, Davis, Davis, CA, and Children's Hospital Oakland Research Institute, Oakland, CA;
Leveille Associates, Denville, NJ;
Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, and.
Office of Dietary Supplements, NIH, Bethesda, MD;
Vienna, VA.


Both fresh and processed foods make up vital parts of the food supply. Processed food contributes to both food security (ensuring that sufficient food is available) and nutrition security (ensuring that food quality meets human nutrient needs). This ASN scientific statement focuses on one aspect of processed foods: their nutritional impacts. Specifically, this scientific statement 1) provides an introduction to how processed foods contribute to the health of populations, 2) analyzes the contribution of processed foods to "nutrients to encourage" and "constituents to limit" in the American diet as recommended by the Dietary Guidelines for Americans, 3) identifies the responsibilities of various stakeholders in improving the American diet, and 4) reviews emerging technologies and the research needed for a better understanding of the role of processed foods in a healthy diet. Analyses of the NHANES 2003-2008 show that processed foods provide both nutrients to encourage and constituents to limit as specified in the 2010 Dietary Guidelines for Americans. Of the nutrients to encourage, processed foods contributed 55% of dietary fiber, 48% of calcium, 43% of potassium, 34% of vitamin D, 64% of iron, 65% of folate, and 46% of vitamin B-12. Of the constituents to limit, processed foods contributed 57% of energy, 52% of saturated fat, 75% of added sugars, and 57% of sodium. Diets are more likely to meet food guidance recommendations if nutrient-dense foods, either processed or not, are selected. Nutrition and food science professionals, the food industry, and other stakeholders can help to improve the diets of Americans by providing a nutritious food supply that is safe, enjoyable, affordable, and sustainable by communicating effectively and accurately with each other and by working together to improve the overall knowledge of consumers.

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