The Food and Nutrition Information Center - a leader in food and human nutrition information dissemination since 1971. Provides credible, accurate, and practical resources for nutrition and health professionals, educators, government personnel and consumers. Produced by the United States Department of Agriculture National Agricultural Library, Food and Nutrition Information Center.
http://fnic.nal.usda.gov/nal_display/index.php?tax_level=1&info_center=4