L-Phenylalanine

**L-Phenialanine**

**L-Phenylalanine** is an amino acid. Contained in products made from proteins of plant and animal origin. It has a direct histaminolytic and catalytic effect on non-homologous regions of the chromosome. Dosage forms: solution for infusion 40% and 5%; drops for oral administration 4-5%; powder for solution for injection 1 g and 2 g, instant crystalline powder 1 and 3 g.

It is necessary to avoid simultaneous use of the drug with leucine, since their interaction may interfere with the absorption of phenylalanine. Phenylalanine is characterized by osmotic diuresis, saluria, and vomiting. In case of overdose, hyperglycemia and symptomatic hyperaminoacidemia develop. **Pharmacokinetics.** Substrate stimulates the decarboxylation of transient aromatic acids of tyrosine in tissue and liquid pyridoxal systems. T 1/2 - about 6 hours. About 75% is excreted unchanged by the kidneys in the first