Value Per Nutrient Food 1.25 g 100 grams Isoleucine Beef, round, bottom round, roast, separable lean and fat, trimmed to 0" fat, all grades, cooked, roasted 1.25 g 100 grams Isoleucine Duck, young duckling, domesticated, White Pekin, breast, meat and skin, boneless, cooked, roasted 1.25 g 100 grams Isoleucine Veal, shoulder, whole (arm and blade), separable lean and fat, cooked, roasted 1.25 g 100 grams Isoleucine Pheasant, leg, meat only, raw 1.25 g 100 grams Isoleucine Pork, fresh, loin, country-style ribs, separable lean only, cooked, roasted 1.25 g 100 grams Isoleucine Beef, round, tip round, roast, separable lean only, trimmed to 0" fat, select, cooked, roasted 1.24 g 100 grams Isoleucine Lamb, Australian, imported, fresh, leg, sirloin chops, boneless, separable lean and fat, trimmed to 1/8" fat, cooked, broiled 1.24 g 100 grams Isoleucine Beef, composite of trimmed retail cuts, separable lean and fat, trimmed to 0" fat, all grades, cooked