Value Per Nutrient Food 0.21 g 100 grams Tryptophan Fast foods, egg, scrambled 0.21 g 100 grams Tryptophan Pork, cured, ham with natural juices, spiral slice, meat only, boneless, separable lean only, heated, roasted 0.21 g 100 grams Tryptophan Sandwiches and burgers, roast beef sandwich with cheese 0.21 g 100 grams Tryptophan Beef, chuck eye steak, boneless, separable lean and fat, trimmed to 0" fat, choice, raw 0.21 g 100 grams Tryptophan Chicken roll, light meat 0.21 g 100 grams Tryptophan Game meat , bison, top sirloin, separable lean only, 1" steak, cooked, broiled 0.21 g 100 grams Tryptophan Beef, brisket, flat half, separable lean and fat, trimmed to 0" fat, choice, cooked, braised 0.21 g 100 grams Tryptophan Pork, fresh, enhanced, loin, tenderloin, separable lean and fat, raw