Value Per Nutrient Food 0.38 g 100 grams Cystine Beef, top sirloin, steak, separable lean and fat, trimmed to 0" fat, select, cooked, broiled 0.38 g 100 grams Cystine Seeds, sunflower seed kernels, dry roasted, without salt 0.38 g 100 grams Cystine Beef, round, eye of round, roast, separable lean and fat, trimmed to 0" fat, select, cooked, roasted 0.38 g 100 grams Cystine Fish, halibut, cooked, with skin (Alaska Native) 0.38 g 100 grams Cystine Chicken, broilers or fryers, meat and skin and giblets and neck, cooked, fried, flour 0.38 g 100 grams Cystine Beef, round, top round, separable lean and fat, trimmed to 1/8" fat, choice, cooked, braised 0.38 g 100 grams Cystine Beef, round, eye of round, roast, separable lean only, trimmed to 1/8" fat, select, cooked, roasted 0.38 g 100 grams Cystine Game meat, rabbit, domesticated, composite of cuts, cooked, stewed