Value Per Nutrient Food 0.28 g 100 grams Cystine Beef, bottom sirloin, tri-tip roast, separable lean only, trimmed to 0" fat, select, raw 0.28 g 100 grams Cystine Pork, fresh, loin, blade (chops), bone-in, separable lean and fat, cooked, pan-fried 0.28 g 100 grams Cystine Lamb, domestic, shoulder, blade, separable lean and fat, trimmed to 1/4" fat, choice, cooked, broiled 0.28 g 100 grams Cystine Lamb, domestic, rib, separable lean and fat, trimmed to 1/8" fat, choice, cooked, broiled 0.27 g 100 grams Cystine Chicken, broilers or fryers, breast, meat and skin, raw 0.27 g 100 grams Cystine Pork, fresh, loin, blade (roasts), bone-in, separable lean and fat, cooked, roasted 0.27 g 100 grams Cystine Beef, round, outside round, bottom round, steak, separable lean and fat, trimmed to 0" fat, choice, raw 0.27 g 100 grams Cystine Cheese, parmesan, shredded