Value Per Nutrient Food 0.23 g 100 grams Tryptophan Fish, shark, mixed species, raw 0.23 g 100 grams Tryptophan Fish, herring, Pacific, cooked, dry heat 0.23 g 100 grams Tryptophan Turkey, fryer-roasters, back, meat only, raw 0.23 g 100 grams Tryptophan Beef, chuck eye roast, boneless, America's Beef Roast, separable lean only, trimmed to 0" fat, select, raw 0.23 g 100 grams Tryptophan Pork, cured, ham, steak, boneless, extra lean, unheated 0.23 g 100 grams Tryptophan Lamb, Australian, imported, fresh, rib, separable lean only, trimmed to 1/8" fat, raw 0.23 g 100 grams Tryptophan Chicken, broilers or fryers, dark meat, meat only, raw 0.23 g 100 grams Tryptophan POPEYES, Spicy Chicken Strips, analyzed 2006