Value Per Nutrient Food 0.20 g 100 grams Tryptophan Mollusks, squid, mixed species, cooked, fried 0.20 g 100 grams Tryptophan Pork, fresh, variety meats and by-products, mechanically separated, raw 0.20 g 100 grams Tryptophan Beef, top sirloin, steak, separable lean only, trimmed to 0" fat, select, cooked, broiled 0.20 g 100 grams Tryptophan Beef, rib, shortribs, separable lean only, choice, cooked, braised 0.20 g 100 grams Tryptophan Beef, chuck, arm pot roast, separable lean and fat, trimmed to 1/8" fat, select, cooked, braised 0.20 g 100 grams Tryptophan Chicken, broilers or fryers, thigh, meat and skin, cooked, rotisserie, original seasoning 0.20 g 100 grams Tryptophan Beef, carcass, separable lean and fat, select, raw 0.20 g 100 grams Tryptophan Veal, variety meats and by-products, kidneys, raw