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DOI: The Influence Of Technological Parameters On The Process Of Co2-Extraction Of Biologically Active Substances From Licorice Root
Djuraev Kh.F , Bukhara Engineering Technological Institute, Bukhara, Uzbekistan Gafurov K.Kh. , Bukhara Engineering Technological Institute, Bukhara, Uzbekistan Mukhmadiev B.T. , Bukhara Engineering Technological Institute, Bukhara, Uzbekistan Jumaev J. , Bukhara State University, Bukhara, Uzbekistan Mirzaeva Sh.U , Bukhara Engineering Technological Institute, Bukhara, UzbekistanAbstract
The aim of the work is to experimentally study the effect of pressure, temperature and time of
supercritical CO2 (SC-CO2) extraction on the yield of extractives from local raw materials - licorice root.
The object of the study was the roots of naked licorice grown in the vicinity of the Bukhara region
(border with Turkmenistan).
The experiments were carried out in apparatus for SC-CO2-extraction in the laboratories of the
Bukhara Engineering-Technological Institute and the Kuban State Technological University.
The main factors influencing the extraction process of licorice root are taken as follows: T -is the
temperature of the extractant (0С), τ is the duration of extraction (min), P is the pressure of the
extractant (MPa).
The experimental conditions were as follows: pressure 7,5-9,5 MPa, temperature from 310C to 410C,
extraction duration 90-150 minutes. The extract yield Yyeld (%) is taken as the sought function.
The implementation of the intensified process of licorice root extraction is associated with obtaining
calculated equations that allow determining the duration of the extraction process and rational
parameters of the extraction mode. For this purpose, we have applied the method of planning
multifactor experiments.
Keywords
Planning multifactor experiments,, , biologically active substances,
References
Tzu-Chien Kao, Chi-Hao Wu, and Gow-Chin
Yen. Bioactivity and Potential Health
Benefits of Licorice // Journal of Agricultural
and Food Chemistry. 2014, 62, 3, P. 542–553
Avicenna's Journal of Phytomedicine.
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