BIOCHEMICAL COMPOSITION OF RAW MATERIALS OF SOME REPRESENTATIVES OF THE GENUS POTENTILLA L. FROM THE COLLECTION OF THE SOUTH URAL BOTANICAL GARDEN-INSTITUTE OF UFA FEDERAL RESEARCH CENTER OF RUSSIAN ACADEMY OF SCIENCES
UDC 582.734.3:581.6
Abstract
The genus Potentilla L. is the most extensive species of the Rosaceae family. Potentillas are found in all ecological niches: on open rocky slopes, along river banks, on the edges of forests. At the same time, in addition to the pharmacopoeial species – erect cinquefoil (P.erecta L.) – other species of the genus Potentilla L. are currently of scientific interest, since they also contain a wide range of biologically active compounds, which determines their pharmacological effect. The aim of this work was a comparative study of the chemical composition of the aboveground and underground parts of some representatives of the genus Potentilla L., introduced in the conditions of the South Ural Botanical Garden-Institute of Ufa Federal Research Center of Russian Academy of SciencesQualitative reactions made it possible to determine the presence of ascorbic acid and tannins in the studied raw materials. Thin layer chromatography revealed the presence of oxalic (Rf=0.14), tartaric (Rf=0.36), citric (Rf=0.39), ascorbic (Rf=0.62) and malic acids (Rf=0.80). As a result of a quantitative analysis of the raw materials of four representatives of the genus Potentilla L. (P. erecta, P. alba, P. rupestris, P. chrysantha), it was revealed that the maximum accumulation of ascorbic acid is observed in leaves (0.47–0.64%), organic acids – in flowers (4.32–6.28%), tannins – in roots (14.25–24.78%). Despite the fact that the accumulation rates of some groups of biologically active substances in the pharmacopoeial form (P. erecta) are higher than in the studied taxa, Potentilla P. alba, P. chrysantha, P. rupestris also contain a significant amount of biologically active substances and are of interest for further study.
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