Useful Amino Acid for Health: Tyrosine

Tyrosine is an aromatic amino acid, which can absorb light. It is formed form phenylalanine by the reaction catalyzed by phenylalanine hydroxylase. The phenylalanine is essential amino acid but tyrosine is not, provided the diet contains adequate quantities of phenylalanine. The reaction is not reversible, so tyrosine cannot replace the requirement for phenylalanine. Tyrosine has to sparing action, because if tyrosine is fed then need to phenylalanine in the body is decreased. Both the amino acids are ketogenic and at the same glycogenic. Both have immense metabolic role in the body, and are metabolized through the common pathways. The catabolism of tyrosine results in formation of acetoacetic acid, phenol, tyramine, epinephrine (adrenaline), non-epinephrine ( View the rest of this article