Assertion: essential amino acid | /r/HasProperty | tryptophan
Facets:
Source sentences:
text: Essential amino acids include leucine, isoleucine, valine, tryptophan, phenylalanine, methionine, threonine, lysine, histidine and possibly arginine.
text: The essential amino acids include isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine," reports an article from The Peptide Guide website.
text: The nine essential amino acids include histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine.