Value Per Nutrient Food 0.86 g 100 grams Serine Fish, shark, mixed species, raw 0.85 g 100 grams Serine Beef, flank, steak, separable lean only, trimmed to 0" fat, choice, raw 0.85 g 100 grams Serine Beef, chuck for stew, separable lean and fat, all grades, raw 0.85 g 100 grams Serine Beef, brisket, flat half, separable lean only, trimmed to 1/8" fat, choice, raw 0.85 g 100 grams Serine Duck, wild, breast, meat only, raw 0.85 g 100 grams Serine Beef, round, knuckle, tip side, steak, separable lean and fat, trimmed to 0" fat, all grades, raw 0.85 g 100 grams Serine Beef, brisket, flat half, boneless, separable lean only, trimmed to 0" fat, select, raw 0.85 g 100 grams Serine Beef, round, eye of round, roast, separable lean and fat, trimmed to 1/8" fat, choice, raw