Value Per Nutrient Food 0.40 g 100 grams Cystine Pork, fresh, leg (ham), rump half, separable lean only, cooked, roasted 0.39 g 100 grams Cystine Beef, round, top round, steak, separable lean and fat, trimmed to 1/8" fat, select, cooked, broiled 0.39 g 100 grams Cystine Quail, breast, meat only, raw 0.39 g 100 grams Cystine Beef, round, top round, steak, separable lean and fat, trimmed to 1/8" fat, choice, cooked, broiled 0.39 g 100 grams Cystine Veal, cubed for stew (leg and shoulder), separable lean only, cooked, braised 0.39 g 100 grams Cystine Beef, top sirloin, steak, separable lean only, trimmed to 0" fat, all grades, cooked, broiled 0.39 g 100 grams Cystine Chicken, broilers or fryers, meat only, cooked, fried 0.39 g 100 grams Cystine Game meat, horse, cooked, roasted