Get your essential food, nutrient data; academic paper on vegetable lipids, functional foods

Go to this site for essential data on foods and nutrients:
http://www.nutritiondata.com/

The following is a valuable site as well:
This is an academic paper, "Vegetable Lipids as Components of Functional Foods," by the Czech or Slovak researchers Milan Struchlik and Stanislav Zak.

And of course, of great reference, the wikipedia article site, "Essential fatty acids."