Best indicator of protein quality:-
Correct Answer: DIAAS
Description: Best indicator of protein quality: DIAAS (Digestible indispensable amino acid scores) > PDCAAS (Protein digestibility-corrected amino acid score) >NPU (Net protein utilization). DIAAS =100 x . NPU = 100 x (Nitrogen retained by the body) / (Nitrogen intake) Other indicators: Amino acid score, Biological value, Protein efficiency ratio. Amino acid score = 100x (mg of amino acid per gm of test protein)/(mg of same amino acid per gm of reference protein) Also remember, protein quantity is measured by protein energy ratio = 100 x energy from protein / total energy in diet.
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