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Nutrient contents of common foods for comparison. Template parameters [Edit template data] Parameter Description Type Status No parameters specified ^ "National Nutrient Database for Standard Reference Release 28". United States Department of Agriculture: Agricultural Research Service. ^ "Nutrition facts, calories in food, labels, nutritional information and analysis". NutritionData.com ...
Below is a list organised by food group and given in measurements of grams of protein per 100 grams of food portion. The reduction of water content has the greatest effect of increasing protein as a proportion of the overall mass of the food in question. Not all protein is equally digestible.
The only major component of most food which contains nitrogen is protein (fat, carbohydrate and dietary fiber do not contain nitrogen). If the amount of nitrogen is multiplied by a factor depending on the kinds of protein expected in the food the total protein can be determined. This value is known as the "crude protein" content.
A high-protein diet is a diet in which 20% or more of the total daily calories come from protein. [1] Many high protein diets are high in saturated fat and restrict intake of carbohydrates. [1] Example foods in a high-protein diet include lean beef, chicken or poultry, pork, salmon and tuna, eggs, and soy. [2]
As foods vary by brands and stores, the figures should only be considered estimates, with more exact figures often included on product labels. For precise details about vitamins and mineral contents, the USDA source can be used. [1] To use the tables, click on "show" or "hide" at the far right for each food category.
The words protein, polypeptide, and peptide are a little ambiguous and can overlap in meaning. Protein is generally used to refer to the complete biological molecule in a stable conformation, whereas peptide is generally reserved for a short amino acid oligomers often lacking a stable 3D structure. But the boundary between the two is not well ...
Fat has a food energy content of 38 kilojoules per gram (9 kilocalories per gram) proteins and carbohydrates 17 kJ/g (4 kcal/g). [ 2 ] Water makes up a large proportion of the total mass ingested as part of a normal diet but it does not provide any nutritional value.
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