Value Per Nutrient Food 0.22 g 100 grams Tryptophan Beef, round, tip round, separable lean and fat, trimmed to 1/8" fat, all grades, raw 0.22 g 100 grams Tryptophan Cereals ready-to-eat, KELLOGG, KELLOGG'S ALL-BRAN Original 0.22 g 100 grams Tryptophan KENTUCKY FRIED CHICKEN, Fried Chicken, EXTRA CRISPY, Wing, meat only, skin and breading removed 0.22 g 100 grams Tryptophan Turkey, young tom, leg, meat and skin, raw 0.22 g 100 grams Tryptophan Turkey, all classes, leg, meat and skin, raw 0.22 g 100 grams Tryptophan Egg, turkey, whole, fresh, raw 0.22 g 100 grams Tryptophan Beef, brisket, flat half, separable lean only, trimmed to 0" fat, all grades, cooked, braised 0.22 g 100 grams Tryptophan Beef, chuck, arm pot roast, separable lean only, trimmed to 0" fat, choice, cooked, braised