TRACE-ELEMENT COMPOSITION OF SOME GENUS ONOSMA SPECIES

The genus Onosma belongs to the tribe Lithospermeae of the family Boraginaceae and is represented by 230 species. In folk medicine, plants of the genus are used to treat various pathologies, including blood diseases, which may be due to the specificity of the microelement status of the plants. In this regard, the microelement composition of the plant as a possible source of microelements for the hematopoietic complex is of particular interest, as well as to assess the possibility of using the microelement composition for standardization of raw materials. The objects of the study were the aboveground parts of plants of the most common species – O. simplissima L., O. gmelinii Ledeb. O. arenaria Waldst. et Kit. and O. barsczewskii Lipsky collected in the flowering phase. The content of microelements was determined by mass spectroscopy with inductively coupled plasma. All measurements were carried out on 5 samples and the obtained values were averaged. As a result of the analysis, the content of 61 macro- and microelements was determined. The obtained data were analyzed using the author's methodology based on the application of cluster analysis methods. It was found that the microelement status of the studied plants has a pronounced species specificity and is determined to a greater extent by the plant genome, rather than by its place of growth. As a result of the studies, it was found that the use of onosma preparations may be ineffective as antianemic agents since the iron in them is likely to be in the form of a cytotoxic ferro-ion. Species specificity of the microelement status of plants can be used to determine the authenticity of raw materials.