Value Per Nutrient Food 0.28 g 100 grams Tryptophan Chorizo, pork and beef 0.28 g 100 grams Tryptophan Pork, fresh, variety meats and by-products, tongue, cooked, braised 0.28 g 100 grams Tryptophan Fish, mullet, striped, cooked, dry heat 0.28 g 100 grams Tryptophan Beef, chuck, clod roast, separable lean and fat, trimmed to 0" fat, all grades, cooked, roasted 0.28 g 100 grams Tryptophan Beef, chuck, mock tender steak, separable lean only, trimmed to 0" fat, choice, cooked, broiled 0.28 g 100 grams Tryptophan Fish, perch, mixed species, cooked, dry heat 0.28 g 100 grams Tryptophan Fish, grouper, mixed species, cooked, dry heat 0.28 g 100 grams Tryptophan Pork, fresh, shoulder, whole, separable lean and fat, cooked, roasted