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Amino Acids

Amino acids are the main "building material" for the synthesis
specific tissue proteins, enzymes, peptide hormones and other
physiologically active compounds. Some amino acids (alanine, asparagine,
aspartic acid, glycine, glutamine, glutamic acid, proline,
serine, tyrosine, cysteine) is synthesized in the human body. This is true
called interchangeable amino acids. Others irreplaceable
amino acids (arginine, valine, histidine, isoleucine, leucine, lysine,
methionine, threonine, tryptophan, phenylalanine), are not synthesized by the body
and go inside with food.
Amino acids are widely used in modern pharmacology.
Being not only structural elements of proteins and other endogenous
compounds, they are of great functional importance. Some of them
act as neurotransmitter substances (glutamine, aspartic
acids, glycine, taurine, Ag-aminobutyric acid, etc.). Phenylalanine and
tyrosine are precursors to the biosynthesis of dopamine, norepinephrine,
adrenaline; tryptophan is a precursor of serotonin; histidine - preceding
the crown of histamine. Amino acid derivatives are enkephalins, endorphins
dinorphins and other neuropeptides, as well as release factors
(releasing factors) of the hypothalamus, pituitary hormones, etc.
Some amino acids (glutamine, Ag-aminobutyric, methionine, gly-
zing, etc.) found independent use as medicinal
means. The range of new drugs synthesized is expanding.
using amino acid residues (see Dalargin, Captopril, Timogen
and etc.).
Of particular importance are mixtures of amino acids used as
means for parenteral nutrition.