Value Per Nutrient Food 0.28 g 100 grams Cystine Beef, chuck, clod roast, separable lean and fat, trimmed to 0" fat, all grades, cooked, roasted 0.28 g 100 grams Cystine Beef, chuck, mock tender steak, separable lean only, trimmed to 0" fat, choice, cooked, broiled 0.28 g 100 grams Cystine Beef, round, tip round, roast, separable lean only, trimmed to 0" fat, select, raw 0.28 g 100 grams Cystine Fish, salmon, chinook, cooked, dry heat 0.28 g 100 grams Cystine Chorizo, pork and beef 0.28 g 100 grams Cystine Beef, chuck, mock tender steak, separable lean and fat, trimmed to 0" fat, USDA choice, cooked, broiled 0.28 g 100 grams Cystine Beans, kidney, royal red, mature seeds, raw 0.28 g 100 grams Cystine Fish, mackerel, Pacific and jack, mixed species, cooked, dry heat