Phenylalanine is an α-amino acid with the aromatic ring in the molecule, similar to other amino acids containing aromatic rings, like tyrosine and tryptophan. Phenylalanine is classified as nonpolar because of the hydrophobic character of the benzyl group as the side chain. This book discusses the dietary sources of phenylalanine. It also discusses it's functions and effects on health.
{{comment.content}}