Value Per Nutrient Food 0.25 g 100 grams Cystine Pork, fresh, shoulder, arm picnic, separable lean only, raw 0.25 g 100 grams Cystine Chicken, broilers or fryers, thigh, meat only, raw 0.25 g 100 grams Cystine Beef, rib, small end (ribs 10-12), separable lean and fat, trimmed to 1/8" fat, select, raw 0.25 g 100 grams Cystine Duck, domesticated, liver, raw 0.25 g 100 grams Cystine Game meat, rabbit, domesticated, composite of cuts, raw 0.25 g 100 grams Cystine Chicken, stewing, dark meat, meat only, raw 0.25 g 100 grams Cystine Beef, rib, small end (ribs 10-12), separable lean and fat, trimmed to 1/8" fat, all grades, cooked, roasted 0.25 g 100 grams Cystine Lamb, domestic, rib, separable lean and fat, trimmed to 1/4" fat, choice, cooked, roasted