Browsing by Author "Petkova V."
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Item INTEGRATED TREATMENT OF BIO-WASTES FOR CIRCULAR ECONOMY(2021-01-01) Serafimova E.; Petkova V.This work deals with the development of a procedure for the isolation of a complex of biologically active substances from the aerial parts of some plants of Polygonum L. grown up in Kazakhstan and the determination of a possibility of their application to officinal medicine. The effect of various factors (the temperature, the extraction time, the raw material: solvent ratio) on the chemical composition of the extracts of a high yield of biologically active substances from Polygonum minus, P. aviculare, P. hydropiper is studied.