MedRat NutriArchives: All Food Groups SR20 MedRat NutriArchives SR20 is a Web-based food composition reference desk including all 7519 food items divided into 24 food groups included in USDA National Nutrient Database for Standard Reference Release 20 SR20, encompassing ]40 food components (nutrients) namely: dietary fibers, calcium (Ca), carbohydrate, cholesterol, choline, copper (Cu), ?-cryptoxanthin, food energy, fatty acids, all vitamins, carotenoids, etc. See also: food composition, usda national nutrient database for standard reference, SR20, nutrtion, dietetics, vitamins, minerals, fats, choline, fibers |