What is l-tyrosine meaningful to us as humans?

L-tyrosine, also known as (2S,3R) -2-amino-3-P – hydroxymethylpropionic acid, is an aromatic amino acid, naturally exists in a variety of proteins, among which, milk casein has a relatively rich content. For humans and animals,L-tyrosine is an important amino acid that plays an important role in our metabolism and growth and development.

The molecular formula of L-tyrosine is C9H11NO3, the molecular weight is 181.19, and the CAS number is 60-18-4. The appearance of L-tyrosine is white needle-like crystal or crystalline powder, odorless but bitter. It is mainly used as nutritional fortifier and moisturizer in dairy, feed, medicine, daily chemical and other fields, but also used in biochemical research. In the field of biochemical research, L-tyrosine can not only be used to determine the standard of nitrogen in polypeptides, but also can be used for colorimetric quantitative analysis through the Millon reaction. In addition, L-tyrosine can also be used in the preparation of tissue culture medium as a precursor of dopamine and catecholamine.

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