Value Per Nutrient Food 0.23 g 100 grams Tryptophan Turkey, young hen, dark meat, meat only, raw 0.23 g 100 grams Tryptophan Pork, cured, shoulder, arm picnic, separable lean and fat, roasted 0.23 g 100 grams Tryptophan Pork, fresh, enhanced, loin, tenderloin, separable lean only, cooked, roasted 0.23 g 100 grams Tryptophan Seal, bearded (Oogruk), meat, low quadrant, raw (Alaska Native) 0.23 g 100 grams Tryptophan Chicken, broilers or fryers, back, meat and skin, cooked, rotisserie, original seasoning 0.23 g 100 grams Tryptophan Beef, chuck, arm pot roast, separable lean only, trimmed to 1/8" fat, select, cooked, braised 0.23 g 100 grams Tryptophan Fish, mackerel, king, raw 0.23 g 100 grams Tryptophan Peanut butter, smooth style, without salt