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Included for each food is its weight in grams, its calories, and (also in grams,) the amount of protein, carbohydrates, dietary fiber, fat, and saturated fat. [1] As foods vary by brands and stores, the figures should only be considered estimates, with more exact figures often included on product labels.
Mass; system unit unit-code symbol or abbrev. notes sample default conversion combinations SI: kilogram: kg kg 1.0 kg (2.2 lb) kg lb. kg lb st; kg st. kg st lb; gram: g g
Nutrient content of 10 major staple foods per 100 g dry weight [1] Staple Maize (corn) Rice, white Wheat Potatoes Cassava Soybeans, green Sweet potatoes Yams Sorghum Plantain RDA; Water content (%) 10 12 13 79: 60 68 77 70 9 65 Raw grams per 100 g dry weight 111: 114: 115: 476: 250: 313: 435: 333: 110: 286: Nutrient; Energy (kJ) 1698: 1736 ...
Grain bran products have the highest fiber contents, such as crude corn bran (79 g per 100 g) and crude wheat bran (43 g per 100 g), which are ingredients for manufactured foods. [20] Medical authorities, such as the Mayo Clinic , recommend adding fiber-rich products to the Standard American Diet because it is rich in processed and artificially ...
Mass fraction can also be expressed, with a denominator of 100, as percentage by mass (in commercial contexts often called percentage by weight, abbreviated wt.% or % w/w; see mass versus weight). It is one way of expressing the composition of a mixture in a dimensionless size ; mole fraction (percentage by moles , mol%) and volume fraction ...
For example, a 138-gram apple contains 84% water (116 g water and 22 g dry matter per apple). [5] The potassium content is 0.72% on a dry matter basis, i.e. 0.72% of the dry matter is potassium. The apple, therefore, contains 158 mg potassium (0.72/100 X 22 g).
To facilitate evaluation by consumers, food energy values (and other nutritional properties) in package labels or tables are often quoted for convenient amounts of the food, rather than per gram or kilogram; such as in "calories per serving" or "kcal per 100 g", or "kJ per package". The units vary depending on country:
[7] [8] The bran in brown rice contains significant dietary fiber and the germ contains many vitamins and minerals. [ 9 ] Typically, 100 grams of uncooked rice produces around 240 to 260 grams of cooked grains, the difference in weight being due to absorbed cooking water.