Value Per Nutrient Food 0.37 g 100 grams Tryptophan Pork, fresh, variety meats and by-products, liver, cooked, braised 0.37 g 100 grams Tryptophan Pork, fresh, loin, center rib (roasts), boneless, separable lean only, cooked, roasted 0.37 g 100 grams Tryptophan Veal, leg (top round), separable lean and fat, cooked, braised 0.37 g 100 grams Tryptophan Nuts, butternuts, dried 0.37 g 100 grams Tryptophan Pork, fresh, loin, sirloin (roasts), boneless, separable lean only, cooked, roasted 0.36 g 100 grams Tryptophan Dairy drink mix, chocolate, reduced calorie, with low-calorie sweeteners, powder 0.36 g 100 grams Tryptophan Mollusks, cuttlefish, mixed species, cooked, moist heat 0.36 g 100 grams Tryptophan Chicken, broilers or fryers, breast, meat and skin, cooked, fried, flour