Abstract

Abstract. Heavy metals content has been analyzed in plant raw materials of the wild hop (Humulus lupulus L.) cones the hemp family (Cannabaceae) representative growing on the waste dump "Yuzhny" coal mine "Kedrovsky". This perennial liana is found throughout the Kemerovo region-Kuzbass. It is a valuable medicinal plant material. It contains a rich biologically active compounds complex. Heavy metals content analysis in the studied embryozems samples showed that the maximum values are for Mn (54.438±15.900 mg/kg) and Fe (38.278±9.539 mg/kg), the minimum for Cu (0.218±0.016 mg/kg) and Cd (0.167±0.016 mg/kg). The study did not reveal their excess in comparison with the hygienic standards of maximum permissible concentration (approximate permissible concentration). It was experimentally found that wild hop cones accumulate to a greater extent two biophile elements - Cu and Zn. In addition, there are quite significant differences in the quantitative characteristics of the content of these elements in the seedlings of common hop and conjugated embryozems from the places of its growth. With a slight accumulation of these elements’ mobile forms in embryozems: Zn (1.481 ± 0.101 mg / kg), Cu (0.218 ± 0.016 mg / kg), in plant raw materials, the accumulation of these elements is a priority: Zn - 15.20 ± 0.153 mg / kg, Cu – 5.123±0.054 mg/kg. These elements also describe with the greatest biological mobility. For Cu and Zn, the coefficient of biological mobility (Bx) is maximal in the wild hop cones - 23.50 and 10.26 respectively. Obtained data analysis showed that there was no standardized heavy metals MPC excess in the raw material Humulus lupulus L. adopted for medicinal plant materials, which does not pose a danger to human life and health.

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