Synthesis of glycyrrhetinic acid by hydrolysis of licorice root extract in subcritical water |
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| Authors: | K S Tikhomirova A V Lekar S N Borisenko E V Vetrova N I Borisenko and V I Minkin |
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| Institution: | 1.Research Institute of Physical and Organic Chemistry,South Federal University,Moscow,Russia;2.Analytical Ecology Center,South Federal University,Moscow,Russia |
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| Abstract: | A procedure for the synthesis of glycyrrhetinic acid (glycyrrhyzic acid aglicone) by hydrolysis of licorice root extract in
subcritical water was developed. The procedure was shown to be more effective than conventional hydrolysis. Glycyrrhetinic
acid was identified and its concentration in the product determined by high-performance liquid chromatography. A 13C NMR spectroscopic study confirmed that glycyrrhetinic acid obtained in subcritical water had a β configuration at the C18 atom. |
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