Value Per Nutrient Food 0.21 g 100 grams Tryptophan Beef, round, top round, steak, separable lean only, trimmed to 1/8" fat, all grades, cooked, broiled 0.21 g 100 grams Tryptophan Turkey, all classes, dark meat, meat and skin, raw 0.21 g 100 grams Tryptophan Pork, cured, ham with natural juices, rump, bone-in, separable lean and fat, heated, roasted 0.21 g 100 grams Tryptophan Chicken, capons, meat and skin and giblets and neck, raw 0.21 g 100 grams Tryptophan Lamb, domestic, leg, whole (shank and sirloin), separable lean and fat, trimmed to 1/4" fat, choice, raw 0.21 g 100 grams Tryptophan Beef, composite of trimmed retail cuts, separable lean and fat, trimmed to 1/8" fat, all grades, raw 0.21 g 100 grams Tryptophan Sausage, Italian, turkey, smoked 0.21 g 100 grams Tryptophan Pork, cured, ham, slice, bone-in, separable lean and fat, unheated