Value Per Nutrient Food 0.20 g 100 grams Tryptophan Pork, fresh, leg (ham), shank half, separable lean and fat, raw 0.20 g 100 grams Tryptophan Chicken breast tenders, cooked, microwaved 0.20 g 100 grams Tryptophan Beef, round, top round steak, separable lean and fat, trimmed to 1/8" fat, all grades, cooked, broiled 0.20 g 100 grams Tryptophan Beef, carcass, separable lean and fat, choice, raw 0.20 g 100 grams Tryptophan Beef, round, top round, steak, separable lean and fat, trimmed to 1/8" fat, select, cooked, broiled 0.20 g 100 grams Tryptophan Beef, short loin, porterhouse steak, separable lean and fat, trimmed to 1/8" fat, choice, raw 0.20 g 100 grams Tryptophan Lamb, Australian, imported, fresh, leg, sirloin half, boneless, separable lean and fat, trimmed to 1/8" fat, raw 0.20 g 100 grams Tryptophan Lamb, new zealand, imported, frozen, loin, separable lean and fat, trimmed to 1/8" fat, raw