Nutrient Analysis / Food Composition Information 

Nutrient analysis for diet /recipe assessment (several foods). http://www.usda.gov/cnpp/projects.html  click on "The Interactive Healthy Eating Index"

Analyze nutrient content of a single food Download USDA National Nutrient Database for Windows Search Software from: http://www.nal.usda.gov/fnic/foodcomp/srch/search.htm
You will see a download link titled "USDA_Setup.exe." Clink on this to begin the download process. This will allow you to determine the nutrient content of a food by hitting the icon on your desktop, entering the name of the food and the amount.

USDA Home and Garden Bulletin 72, "Nutritive Value of Foods" http://www.nal.usda.gov/fnic/foodcomp
Print a copy for a convenient office or home reference.