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Development of a Technique for Codetermination of Tannin and Gallic Acid in Medicinal Plant Raw Material

  • O. V. TrineevaEmail author
  • A. I. Slivkin
Article

Development and validation of a new technique for direct spectrophotometric quantitative determination of high- and low-molecular-mass tannins are reported. The proposed method enables simultaneous codetermination using Firordt calculations of tannins and gallic acid in medicinal plant raw material and herbal preparations without preliminary separation from complicated mixtures with other biologically active compounds found in the plant extracts. The developed method was validated (using nettle raw material as an example). The contents of gallic acid and tannins in the samples were (1.20 ± 0.04)% and (1.52 ± 0.03)%, respectively, which agreed with literature data.

Keywords

tanning agents gallic acid tannin Firordt method nettle leaves oak bark sea buckthorn fruit 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Voronezh State University, Ministry of Education and Science of the RFVoronezhRussia

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