FIELD: food industry.
SUBSTANCE: invention refers to pharmacology. Method for improvement of microelements absorption from gastrointestinal track in a subject, includes injection of agent to a subject (a person or animal), including alpha-ketoglutarate or its salt, in which microelement is selected from a group made of iron, zinc, manganese, strontium, copper or calcium. Besides when manganese is the microelement, alpha-ketoglutarate or its salt may be introduced as component of peroral contrast substance, where manganese absorption by gall and liver assists in diagnostics of tumors in tissues of gastrointestinal track.
EFFECT: development of new method for diagnostics of tumors in tissues of gastrointestinal track.
10 cl, 4 tbl, 3 ex, 4 dwg
