Value Per Nutrient Food 0.21 g 100 grams Tryptophan Fish, salmon, Atlantic, farmed, raw 0.21 g 100 grams Tryptophan Egg, quail, whole, fresh, raw 0.21 g 100 grams Tryptophan Beef, round, top round, steak, separable lean only, trimmed to 0" fat, all grades, cooked, broiled 0.21 g 100 grams Tryptophan Pork, cured, ham with natural juices, spiral slice, boneless, separable lean and fat, heated, roasted 0.21 g 100 grams Tryptophan Pork, fresh, shoulder, whole, separable lean and fat, raw 0.21 g 100 grams Tryptophan Fish, mackerel, Atlantic, raw 0.21 g 100 grams Tryptophan Beef, round, top round, steak, separable lean only, trimmed to 1/8" fat, select, cooked, broiled 0.21 g 100 grams Tryptophan Beef, round, top round, steak, separable lean and fat, trimmed to 0" fat, select, cooked, broiled