Value Per Nutrient Food 0.28 g 100 grams Tryptophan Game meat, elk, loin, separable lean only, cooked, broiled 0.28 g 100 grams Tryptophan Pork, fresh, loin, center rib (chops or roasts), boneless, separable lean only, raw 0.28 g 100 grams Tryptophan Beef, rib, small end (ribs 10-12), separable lean and fat, trimmed to 0" fat, choice, cooked, broiled 0.28 g 100 grams Tryptophan Fish, burbot, cooked, dry heat 0.28 g 100 grams Tryptophan Fish, sardine, Atlantic, canned in oil, drained solids with bone 0.28 g 100 grams Tryptophan Duck, wild, breast, meat only, raw 0.28 g 100 grams Tryptophan Beef, chuck eye roast, boneless, America's Beef Roast, separable lean and fat, trimmed to 0" fat, choice, cooked, roasted 0.28 g 100 grams Tryptophan Game meat, elk, round, separable lean only, cooked, broiled