Mineral composition and amino acids of plants of the genus Geranium L. of the Baikal region flora

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Abstract
Aim – to study the component composition of elements and amino acids in three species of the genus Geranium L. growing in the Baikal region. Material and methods. The above-ground organs of Geranium wlassovianum Fisch., G. eriostemon Fisch., G. pratense L. were collected during the flowering period in the southern regions of the Irkutsk region. The elemental composition was studied after the ashing of the raw material samples (0.030 g) using inductively coupled plasma mass spectrometry (ICP-MS) on an Agilent 7500 ce quadrupole mass spectrometer. Amino acids were analyzed after hydrolysis using the Amino Acid Analyzer AAA 339 M (Mikrotechna, Czech Republic). Results. The three species of the genus Geranium contain 54 elements, including essential ones. There is a high content of manganese in G. wlassovianum 39 mg/g, in G. eriostemon 66 mg/g, in G. pratense 43 mg/g. 23 amino acids have been identified in the composition of amino acids. The predominant amino acids were glutamic acid (5.94 and 11.32 mg/g, respectively) in G. wlassovianum and G. pratense, and glutamine (4.06 mg/g), which was identified only in this species. G. wlassovianum also contained high levels of aspartic and cysteine acids (4.44 and 2.00 mg/g, respectively), G. eriostemon contains high levels of glutamic acid and phenylalanine (3.61 and 2.90 mg/g, respectively), and G. pratense contains high levels of aspartic acid and leucine (6.96 and 6.22 mg/g, respectively). Conclusion. The analysis showed the presence in the above-ground organs of the species Geranium wlassovianum, G. eriostemon, G. pratense of the flora of the Baikal region of elements and amino acids that are involved in ensuring the normal functioning of the gastrointestinal tract and the genitourinary system.

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