Ok...I was able to find some info for Kate using this. (They are debating Turkey Vs. Goose for Thanksgiving...how much tryptophan?) This is great but you have to be careful how you use it and derive info based on what selections you make in the lookup. Kinda cool.

USDA National Nutrient Database. This link will give you additional information and choices on what you want to download. It's free and will install to your desktop.