Value Per Nutrient Food 0.30 g 100 grams Tryptophan Chicken, broilers or fryers, meat and skin and giblets and neck, roasted 0.30 g 100 grams Tryptophan Beef, composite of trimmed retail cuts, separable lean and fat, trimmed to 1/8" fat, select, cooked 0.30 g 100 grams Tryptophan Lamb, Australian, imported, fresh, leg, center slice, bone-in, separable lean and fat, trimmed to 1/8" fat, cooked, broiled 0.30 g 100 grams Tryptophan Fish, trout, mixed species, cooked, dry heat 0.30 g 100 grams Tryptophan Pork, fresh, loin, blade (chops), bone-in, separable lean only, cooked, broiled 0.30 g 100 grams Tryptophan Fish, tuna, white, canned in oil, drained solids 0.30 g 100 grams Tryptophan Pork, fresh, loin, country-style ribs, separable lean and fat, cooked, roasted 0.30 g 100 grams Tryptophan Seeds, flaxseed