Summary
A spectrophotometric method for determining glycyrrhizic acid in a thick licorice extract, dry licorice powder, and licorice roots after its chromatographic separation from the accompanying substances in a thin layer of sorbent has been proposed. The limit of detection of glycyrrhizic acid is 8 µg/ml. The concentration of glycyrrhizic acid in the thick extracts is ∼15.49%, in the dry powder ∼12%, and in licorice roots ∼4.3%.
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Additional information
Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 802–806, November–December, 1977.
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Yakubova, M.R., Genkina, G.L. & Shakirov, T.T. UV-spectrophotometric determination of glycyrrhizic acid inGlycyrrhiza glabra . Chem Nat Compd 13, 676–679 (1977). https://doi.org/10.1007/BF00565517
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DOI: https://doi.org/10.1007/BF00565517