Today, ContractLaboratory.com received a Laboratory Test Request from a large consumer products company needing whey protein analysis. The analysis was for Protein Digestibility Corrected Amino Acid Score.
So, what is a Protein Digestibility Corrected Amino Acid Score and how is it measured ? First of all, it is commonly referred to as PDCAAS. The PDCAA is a measurement of the protein value in human nutrition. It is adopted by FAO/WHO as the preferred method for protein value measurement.
According to this method, the concentration of the first essential amino acid in the test protein is compared to the concentration of a reference amino acid pattern. The pattern was determined by the amino acid requirements of preschool children.
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