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"Rice protein is high in the sulfur-containing amino acids, cysteine and methionine, but low in lysine. Pea protein, on the other hand, is low in cysteine and m
by ronaldx 13y ago
"Rice protein is high in the sulfur-containing amino acids, cysteine and methionine, but low in lysine. Pea protein, on the other hand, is low in cysteine and methionine but high in lysine." [https://en.wikipedia.org/wiki/Rice_protein https://en.wikipedia.org/wiki/Rice_protein]
Lysine is an essential amino acid, i.e. humans cannot produce it and need to ingest it from a protein source - otherwise, they can't synthesise protein.
There's a nutritional reason why pea protein should have been there - by taking out their lysine source, Soylent just got nutritionally less complete.
- asdasf 13y agoWhy respond if you don't bother to read what you respond to? Lysine is the lowest in rice. It is not absent. You therefore get "complete protein" up to the amount of lysine available. You absolutely do not need to combine it with anything else, you can just eat more. http://en.wikipedia.org/wiki/Protein_Digestibility_Corrected_Amino_Acid_Score http://en.wikipedia.org/wiki/Protein_Digestibility_Corrected...
- ronaldx 13y agoThe link you quoted directly states that the quality of grain protein is relatively very poor and limited by lysine content (http://en.wikipedia.org/wiki/Protein_Digestibility_Corrected_Amino_Acid_Score http://en.wikipedia.org/wiki/Protein_Digestibility_Corrected...) I don't dispute that man can live on rice protein alone. But, this decision clearly doesn't have any foundation in good nutrition.
- asdasf 13y ago>The link you quoted directly states that the quality of grain protein is relatively very poor and limited by lysine content Which is why it is corrected rather than reporting 1:1 like with proteins that are close to an ideal ratio. That is the entire point, you literally just complained that I provided evidence supporting my claim.