Value Per Nutrient Food 0.22 g 100 grams Tryptophan Beef, chuck eye roast, boneless, America's Beef Roast, separable lean and fat, trimmed to 0" fat, choice, raw 0.22 g 100 grams Tryptophan Beef, chuck, under blade pot roast or steak, boneless, separable lean and fat, trimmed to 0" fat, all grades, raw 0.22 g 100 grams Tryptophan Beef, brisket, flat half, separable lean and fat, trimmed to 0" fat, all grades, cooked, braised 0.21 g 100 grams Tryptophan Cheese, mexican, queso anejo 0.21 g 100 grams Tryptophan Beef, round, bottom round, steak, separable lean and fat, trimmed to 1/8" fat, all grades, cooked, braised 0.21 g 100 grams Tryptophan Crustaceans, lobster, northern, raw 0.21 g 100 grams Tryptophan Veal, leg (top round), separable lean only, raw 0.21 g 100 grams Tryptophan Pork, fresh, enhanced, loin, tenderloin, separable lean only, raw