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. 2024 Jun 5;13(11):1771. doi: 10.3390/foods13111771

Table 3.

Digestible Indispensable Amino Acid Score (DIAAS) and Protein Digestibility Corrected Amino Acid Score (PDCAAS) of common protein sources.

Protein Sources PDCAAS DIAAS References
Animal proteins
Skimmed milk powder 100 * 123 [42]
Milk protein concentrate 100 * 141 [42]
Casein 117 [43]
Whey protein isolate 100 * 125 [42]
Whey 85 [43]
Whey protein concentrate 100 * 133 [42]
Pork 117 [43]
Beef 112 [6]
Chicken 100 108 [6,44]
Egg 100 101 [43,44]
Insect protein 75 [6]
Plant proteins
Wheat 51 54 [42]
Oats 64 57 [43,44,45]
Oat protein concentrate 69 67 [42]
Soy 91 [43]
Soy flour 100 * 105 [42]
Soy protein isolate 100 * 98 [42]
Pea 64 70 [43]
Pea protein concentrate 84 73 [42]
Fava beans 55 [43]
Rapeseed 67 [43]
Lupin 40–80 68 [43,45]
Canola 72 [43]
Corn 36 [6]
Potato 100 100 [43,45]
Gelatine 2 [43]
Red kidney beans 51 [44]
Chickpeas 85 [44]
Split red lentils 50 [44]
Split yellow peas 73 [44]

Values with asterisks (*) are truncated values. Digestible Indispensable Amino Acid Score (DIAAS), Protein Digestibility Corrected Amino Acid Score (PDCAAS).