Value Per Nutrient Food 0.22 g 100 grams Tryptophan Fish, mullet, striped, raw 0.22 g 100 grams Tryptophan Fish, perch, mixed species, raw 0.22 g 100 grams Tryptophan Beef, round, bottom round, steak, separable lean only, trimmed to 0" fat, choice, cooked, braised 0.22 g 100 grams Tryptophan Lamb, domestic, leg, whole (shank and sirloin), separable lean and fat, trimmed to 1/8" fat, choice, raw 0.22 g 100 grams Tryptophan T.G.I. FRIDAY'S, fried mozzarella 0.22 g 100 grams Tryptophan Beef, chuck, under blade center steak, boneless, Denver Cut, separable lean and fat, trimmed to 0" fat, select, raw 0.22 g 100 grams Tryptophan Fish, mackerel, spanish, raw 0.22 g 100 grams Tryptophan Beef, chuck, under blade pot roast or steak, boneless, separable lean and fat, trimmed to 0" fat, choice, raw