Value Per Nutrient Food 0.26 g 100 grams Tryptophan Beef, rib, large end (ribs 6-9), separable lean and fat, trimmed to 1/8" fat, select, cooked, roasted 0.26 g 100 grams Tryptophan Ostrich, inside strip, cooked 0.26 g 100 grams Tryptophan Chicken, stewing, meat and skin, and giblets and neck, cooked, stewed 0.26 g 100 grams Tryptophan Chicken, liver, all classes, cooked, pan-fried 0.26 g 100 grams Tryptophan Beef, variety meats and by-products, spleen, cooked, braised 0.26 g 100 grams Tryptophan Beef, short loin, t-bone steak, separable lean and fat, trimmed to 0" fat, all grades, cooked, broiled 0.26 g 100 grams Tryptophan Beef, plate, outside skirt steak, separable lean only, trimmed to 0" fat, all grades, cooked, broiled 0.26 g 100 grams Tryptophan Fish, tuna, fresh, bluefin, raw