Betacarotene

Chemical name

Beta-karotin

Gross

C40-H56

Of drugs

The drugs-A-vitaminopodobnoe. Inside the biotransformation is the formation of vitamin A, essential for the normal functioning retina (the transition opsina in rodopsin - pigment providing night vision). Various forms of vitamin A (retinol, retinoower acid) are required for the formation and growth of bone, testikuliarna, ovarialna tissue. Is the normal development of the embryo, regulates differentiation epitelialna tissue is kofactorom many biochemical reactions. Once inside quickly and fully absorbed. Treated metabolizmu in the liver with the formation of the active form of vitamin A, which is associated with ретинолтранспортирую щим protein and delivered to the various organs and tissues. In the presence of zinc in the liver are inactive products. Excreted kidneys and jelchew.

Indications

Violation of the night, valozazivate wounds psoriasis, immunodefitsitnye status, pregnancy, breast-feeding, gipovitaminoz A.

Contraindications

Hypersensitivity, gipervitaminoz A, alcoholism, cirrhosis, viral hepatitis, disruption of the kidney.

Side-Effects

Symptoms gipervitaminoza A : headache, dizziness, weakness, anxiety and DLR in the eyes, diarrhoea disorders, skin rashes, dry lips, the pain in the bones and joints, anorexia, pitting the skin and mucous membranes.

Patient interaction

Medicinal calcium holestiramin, mineral oils, neomycin, vitamin E reduces induction.

Dosing and Administration

Doses of the drug and duration reception depends on the disease.

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