Protein derived from diet is broken down into amino acids, and the body then re-constitutes these amino acids into the specific proteins needed.
19 out of the 28 known amino acids, the body can manufacture.
The liver manufactures about 80% of these amino acids, but the remaining 20% of such amino acids must be,supplied directly by diet, and these amino acids are referred to as the essential amino acids.
These essential amino acids include histidine, isoleucine, threonine, leucine, lysine, methionine, phenylalanine, tryptophan, and valine.
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