Value Per Nutrient Food 0.31 g 100 grams Tryptophan Beef, composite of trimmed retail cuts, separable lean and fat, trimmed to 0" fat, select, cooked 0.31 g 100 grams Tryptophan Beef, round, full cut, separable lean and fat, trimmed to 1/8" fat, choice, cooked, broiled 0.31 g 100 grams Tryptophan Chicken, broilers or fryers, dark meat, meat and skin, cooked, fried, flour 0.31 g 100 grams Tryptophan Beef, rib, large end (ribs 6-9), separable lean only, trimmed to 0" fat, select, cooked, roasted 0.31 g 100 grams Tryptophan Pork, fresh, shoulder, blade, boston (roasts), separable lean only, cooked, roasted 0.31 g 100 grams Tryptophan Chicken, broilers or fryers, drumstick, meat and skin, cooked, fried, flour 0.31 g 100 grams Tryptophan Chicken, broilers or fryers, leg, meat only, cooked, stewed 0.31 g 100 grams Tryptophan Beef, round, tip round, roast, separable lean and fat, trimmed to 1/8" fat, all grades, cooked, roasted