Value Per Nutrient Food 0.38 g 100 grams Cystine Beef, tenderloin, steak, separable lean only, trimmed to 1/8" fat, select, cooked, broiled 0.38 g 100 grams Cystine Pork, cured, shoulder, arm picnic, separable lean only, roasted 0.38 g 100 grams Cystine Peanuts, all types, oil-roasted, with salt 0.38 g 100 grams Cystine Beef, tenderloin, steak, separable lean only, trimmed to 1/8" fat, all grades, cooked, broiled 0.38 g 100 grams Cystine Chicken, broilers or fryers, dark meat, meat only, cooked, fried 0.38 g 100 grams Cystine Pork, fresh, leg (ham), whole, separable lean only, cooked, roasted 0.38 g 100 grams Cystine Beef, round, knuckle, tip side, steak, separable lean and fat, trimmed to 0" fat, all grades, cooked, grilled 0.37 g 100 grams Cystine Beef, tenderloin, steak, separable lean only, trimmed to 0" fat, choice, cooked, broiled