Value Per Nutrient Food 0.62 g 100 grams Serine Macaroni, vegetable, dry, enriched 0.62 g 100 grams Serine Beef, rib, whole (ribs 6-12), separable lean and fat, trimmed to 1/8" fat, choice, raw 0.62 g 100 grams Serine Fast foods, biscuit, with egg and bacon 0.62 g 100 grams Serine Lamb, domestic, shoulder, arm, separable lean and fat, trimmed to 1/4" fat, choice, raw 0.62 g 100 grams Serine Wheat flour, white (industrial), 15% protein, bleached, enriched 0.62 g 100 grams Serine Wheat flour, white (industrial), 15% protein, bleached, unenriched 0.62 g 100 grams Serine Lamb, New Zealand, imported, frozen, composite of trimmed retail cuts, separable lean and fat, raw 0.62 g 100 grams Serine Teff, uncooked