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Condensed Tannins

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Fortschritte der Chemie organischer Naturstoffe / Progress in the Chemistry of Organic Natural Products

Abstract

The condensed tannins (syn. polymeric proanthocyanidins) represent a major group of phenolic compounds in woody and some herbaceous plants (1–3). Their exceptional concentrations in the barks and heartwoods of a variety of tree species have resulted in their commercial extraction with the initial objective of applying the extracts in leather manufacture (4). Essentially all of their biological significance, e.g. the protection of plants from insects, diseases and herbivores, and most of the current, e.g. leather manufacture, and also most promising new uses, e.g. pharmaceuticals or wood preservatives, rest on their complexation with other biopolymers like proteins and carbohydrates, or meta1 ions (>5, 6). Increasing attention has thus been directed to understanding their conformation and conformational flexibility (7–20) in order to explain their biological activity and to provide a basis for further development of uses for these renewable phenolic compounds.

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Authors and Affiliations

  1. National Center for the Development of Natural Products, Research Institute of Pharmaceutical Sciences, School of Pharmacy, The University of Mississippi, University, MS, USA

    D. Ferreira

  2. Department of Chemistry, University of the Orange Free State, Bloemfontein, South Africa

    E. V. Brandt, J. Coetzee & E. Malan

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Ferreira, D., Brandt, E.V., Coetzee, J., Malan, E. (1999). Condensed Tannins. In: Fortschritte der Chemie organischer Naturstoffe / Progress in the Chemistry of Organic Natural Products. Fortschritte der Chemie organischer Naturstoffe / Progress in the Chemistry of Organic Natural Products, vol 77. Springer, Vienna. https://doi.org/10.1007/978-3-7091-6366-5_2

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