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  2. Biological value - Wikipedia

    en.wikipedia.org/wiki/Biological_value

    Biological value. Biological value (BV) is a measure of the proportion of absorbed protein from a food which becomes incorporated into the proteins of the organism's body. It captures how readily the digested protein can be used in protein synthesis in the cells of the organism. Proteins are the major source of nitrogen in food.

  3. Protein digestibility corrected amino acid score - Wikipedia

    en.wikipedia.org/wiki/Protein_Digestibility...

    The formula for calculating the PDCAAS percentage is: (mg of limiting amino acid in 1 g of test protein / mg of same amino acid in 1 g of reference protein) x fecal true digestibility percentage. [2] The PDCAAS value is different from measuring the quality of protein from the protein efficiency ratio (PER) and the biological value (BV) methods. [3]

  4. List of foods by protein content - Wikipedia

    en.wikipedia.org/wiki/List_of_foods_by_protein...

    Natural protein concentrates (often used in bodybuilding or as sports dietary supplements): Soy protein isolate (prepared with sodium or potassium): 80.66. Whey protein isolate: 79. Egg white, dried: 81.1. Spirulina alga, dried: 57.45 (more often quoted as 55 to 77) Baker's yeast: 38.33. Hemp husks 30.

  5. Protein (nutrient) - Wikipedia

    en.wikipedia.org/wiki/Protein_(nutrient)

    For milk proteins, about 50% of the ingested protein is absorbed between the stomach and the jejunum and 90% is absorbed by the time the digested food reaches the ileum. [34] Biological value (BV) is a measure of the proportion of absorbed protein from a food which becomes incorporated into the proteins of the organism's body.

  6. Net protein utilization - Wikipedia

    en.wikipedia.org/wiki/Net_protein_utilization

    Certain foodstuffs, such as eggs or milk, rate as 1 on an NPU chart. Experimentally, this value can be determined by determining dietary protein intake and then measuring nitrogen excretion. One formula for apparent NPU is: [3] NPU = {0.16 × (24 hour protein intake in grams)} - { (24 hour urinary urea nitrogen) + 2} - {0.1 × (ideal body ...

  7. Essential amino acid - Wikipedia

    en.wikipedia.org/wiki/Essential_amino_acid

    Measures include the biological value, net protein utilization, protein efficiency ratio, protein digestibility corrected amino acid score and the complete proteins concept. These concepts are important in the livestock industry , because the relative lack of one or more of the essential amino acids in animal feeds would have a limiting effect ...