this post was submitted on 21 Jul 2025
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All the protein figures you have been using for the calculations have been crude protein, i.e. a estimate based on nitrogen content.
It's much better to use DIAAS as a measure of usable protein.
https://en.m.wikipedia.org/wiki/Digestible_Indispensable_Amino_Acid_Score
https://www.diaas-calculator.com/
Also a neat site. It seems like the ratio of usable protein would be a good addition to, but a lacking substitute for, the raw quantities. Especially given how incomplete the PCDAAS and DIAAS datasets are.