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Whey Protein Institute For a Healthy Whey of Life

Protein Quality Comparison Chart

Protein Type Protein Digestibility Corrected Amino Acid Score (PDCAAS)1 Amino Acid Score Protein Efficiency Ratio (PER)2 Biological Value (BV)
Whey Protein 1.00 1.14 3.2 100
Whole Egg 1.00 1.21 3.8 88-100
Casein 1.00 1.00 2.5 80
Soy Protein Concentrate 0.99 0.99 2.2 74
Beef Protein 0.92 0.94 2.9 80
Canned Kidney Beans 0.68 NA* NA* 49**
Wheat Gluten 0.25 0.47 NA* 54

* Information Not Readily Available
** Value Is For Beans In General
Source:
1. Protein Quality Evaluation, Report of the Joint FAO/WHO Consultation
2. Reference Manual for U.S. Whey Products, 2nd Edition, U.S. Dairy Export Council
 
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