What role does L-tyrosine play in biochemical research?

L-tyrosine is a white powder, soluble in dilute acid and alkali, but insoluble in anhydrous ethanol, ether, acetone, no odor, but bitter taste. L-tyrosine is mainly used as nutritional enhancer and moisturizer in food, feed, medicine, daily chemical and other fields, and can also be used in biochemical research.

In the field of biochemical research, L-tyrosine can not only be used to determine the standard of nitrogen in amino acids, but also can be used for colorimetric quantitative analysis of Millon reaction, and can also be used to prepare tissue culture medium, as amino acid precursors of dopamine and catecholamine, etc.

There are many kinds of way to get the L – tyrosine, such as casein as raw materials, for several hours in the hydrochloric acid reflux, after filtration, concentration, alkali neutralization and activated carbon treatment, crystallization for L – tyrosine, casein or will also be spun silk protein as raw materials, such as acid hydrolysis, the product through neutralization reaction, after precipitation separation, It is dissolved in dilute ammonia water, and then neutralized with acetic acid until the PH value is 5, and then recrystallized to get L-tyrosine. It can also be extracted by proteolysis from pig blood powder, horn-hoof, silk and other raw materials, and then separated and purified to get L-tyrosine.

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