Mineral composition of rhizomes Potentilla erecta L.
Chemical substances, which accumulate selectively by plants, can influence at their pharmacological action: to increase or decrease their absorption, resorptive properties; be synergists or antagonists, as well as to reduce or enhance the toxic effect. Potentilla erecta used in traditional herbal medicine system in many countries due to high therapeutic value. The concentrations of secondary metabolites in the plant raw materials are well understood. However, the data on concentration of trace and major elemental composition of it raw material remains extremely insufficient.
The aim of our study was to examine the elemental compound of P. erecta rhizomes. The object of study was the rhizomes of P. erecta from a various natural zones of Ukraine (Carpathians, Polesie). Raw material was analyzed by atomic emission spectrometry with inductively coupled plasma.
Twenty nine elements were identified in studied samples. It was established that the level of concentration decreases in this sequence: Ca > S > Mg > K > Sn > I > P > Ba > Al > Zn > Mn > Fe > Sr > Si > Ag > Cr > Ni > Cu > Pb > V > Se > Ti > Cd > Ge > Na > Mo > Co > As > Bi. Ca, S and Mg are present in high concentrations in both analyzed samples of P. erecta. K, Sn, I, P, Ba and Al were identified in quantities of more than 100 mg/kg. Other elements found in small quantities. The content of some metals was significantly different in the analyzed samples. The main reason is, probably, the difference between the ecological conditions of plants habitats. The experimental data can be used for prognosing and planning pharmacological research of P. erecta and development of quality control methods for plant material of this medicinal plant.
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