Value Per Nutrient Food 1.71 g 100 grams Leucine Beef, round, eye of round, roast, separable lean and fat, trimmed to 1/8" fat, all grades, raw 1.71 g 100 grams Leucine Buffalo, free range, top round steak, raw (Shoshone Bannock) 1.71 g 100 grams Leucine Peanuts, all types, oil-roasted, without salt 1.71 g 100 grams Leucine Fish, herring, Pacific, cooked, dry heat 1.71 g 100 grams Leucine Chorizo, pork and beef 1.71 g 100 grams Leucine Beef, cured, pastrami 1.71 g 100 grams Leucine Beef, brisket, flat half, separable lean only, trimmed to 1/8" fat, select, raw 1.71 g 100 grams Leucine Beef, chuck eye roast, boneless, America's Beef Roast, separable lean only, trimmed to 0" fat, all grades, raw