Value Per Nutrient Food 0.81 g 100 grams Isoleucine Beef, short loin, porterhouse steak, separable lean and fat, trimmed to 1/8" fat, choice, raw 0.81 g 100 grams Isoleucine Beef, chuck, under blade center steak, boneless, Denver Cut, separable lean and fat, trimmed to 0" fat, all grades, raw 0.81 g 100 grams Isoleucine Fish, drum, freshwater, raw 0.81 g 100 grams Isoleucine Soybeans, mature cooked, boiled, without salt 0.81 g 100 grams Isoleucine Soybeans, mature seeds, cooked, boiled, with salt 0.81 g 100 grams Isoleucine Fish, tilefish, raw 0.81 g 100 grams Isoleucine Lamb, Australian, imported, fresh, shoulder, whole (arm and blade), separable lean and fat, trimmed to 1/8" fat, raw 0.81 g 100 grams Isoleucine Beef, chuck eye Country-Style ribs, boneless, separable lean and fat, trimmed to 0" fat, all grades, raw