If you need to know the composition of any kind of food, you can get
it through the USDA site. Google USDA and choose "Food and nutrition
center". From there you can explore the entire site. The link below
will take you to a part of the site that will give you lists of foods
showing lists of foods with the amount of particular
nutrients. Other places in the site allow you to do other kinds of searches.
http://www.ars.usda.gov/Services/docs.htm?docid=9673
Hope this helps.
Dave Glaze
daveglaze@shaw.ca