Value Per Nutrient Food 0.37 g 100 grams Cystine Beef, chuck, arm pot roast, separable lean and fat, trimmed to 0" fat, all grades, cooked, braised 0.37 g 100 grams Cystine Duck, young duckling, domesticated, White Pekin, breast, meat and skin, boneless, cooked, roasted 0.37 g 100 grams Cystine Veal, variety meats and by-products, liver, raw 0.37 g 100 grams Cystine Beef, round, knuckle, tip side, steak, separable lean and fat, trimmed to 0" fat, choice, cooked, grilled 0.37 g 100 grams Cystine Lamb, domestic, shoulder, arm, separable lean and fat, trimmed to 1/8" fat, choice, cooked, braised 0.37 g 100 grams Cystine Chicken, broilers or fryers, wing, meat and skin, cooked, roasted 0.37 g 100 grams Cystine Beef, cured, dried 0.37 g 100 grams Cystine Beef, round, eye of round, roast, separable lean only, trimmed to 0" fat, choice, cooked, roasted