Value Per Nutrient Food 0.27 g 100 grams Tryptophan Pork, Leg sirloin tip roast, boneless, separable lean and fat, raw 0.27 g 100 grams Tryptophan Chicken, roasting, dark meat, meat only, cooked, roasted 0.27 g 100 grams Tryptophan Lamb, domestic, loin, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted 0.27 g 100 grams Tryptophan Veal, breast, whole, boneless, separable lean and fat, cooked, braised 0.27 g 100 grams Tryptophan Pork, ground, 96% lean / 4% fat, raw 0.27 g 100 grams Tryptophan Peanuts, spanish, oil-roasted, with salt 0.27 g 100 grams Tryptophan Pork, fresh, enhanced, shoulder, (Boston butt), blade (steaks), separable lean and fat, cooked, braised 0.27 g 100 grams Tryptophan Pork, fresh, variety meats and by-products, heart, cooked, braised