Protein digestibility corrected AA score (PDCAAS)

on 5.9.08 with 0 comments



  • First determine the chemical score of the protein, then multiply the digestibility of the protein by the chemical score.

  • Maximum digestibility is = 1.0 (milk, soy beans, raw egg are all 1.0)

  • If the protein lacks any of the 9 essential AA then the chemical score will automatically be 0

  • Wheat =

    • chemical score of .47

    • Digestibility score of .90

      • .47 X .90 = .423 is the PDCAAS

  • 3 grams protein X .423 = 1.29g

Category: Biochemistry Notes

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