Tyrosine powder (Tyr or Y) or 4-hydroxyphenylalanine is one of the 20 standard amino acids that are used by cells to synthesize proteins. It is a non-essential amino acid with a polar side group. Its codons are UAC and UAU. The word "tyrosine" is from the Greek tyros, meaning cheese, as it was first discovered in 1846 by German chemist Justus von Liebig in the protein casein from cheese. It is called tyrosyl when referred to as a functional group or side chain. It is a hydrophilic amino acid and is significantly less soluble in water than its precursor, phenylalanine.

Tyrosine powder is a non-essential amino acid, it has to regulate emotions, stimulate the role of the nervous system. In addition to help speed up the body metabolism, treatment of chronic fatigue and other diseases. The body needs enough this product to produce many important brain chemicals to help regulate appetite, pain sensitivity, and the body's response to stress.

Applications

Pharmaceutically, tyrosine powder is used in hyper-thyroidism treatment; Special flavoring can be produced heated and reacted with saccharides. Usage limit: It takes up 1.6% of the total protein in food( FDA ,§ 172.320 , 1994 ).