Value Per Nutrient Food 1.31 g 100 grams Leucine Pork, cured, shoulder, blade roll, separable lean and fat, unheated 1.31 g 100 grams Leucine Beef, rib, whole (ribs 6-12), separable lean and fat, trimmed to 1/8" fat, all grades, raw 1.31 g 100 grams Leucine Tofu, fried 1.31 g 100 grams Leucine Lamb, domestic, shoulder, arm, separable lean and fat, trimmed to 1/4" fat, choice, raw 1.31 g 100 grams Leucine Tofu, fried, prepared with calcium sulfate 1.31 g 100 grams Leucine Beef, rib, large end (ribs 6-9), separable lean and fat, trimmed to 1/8" fat, select, raw 1.30 g 100 grams Leucine Fish, turbot, european, raw 1.30 g 100 grams Leucine Lamb, New Zealand, imported, frozen, composite of trimmed retail cuts, separable lean and fat, raw