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Zeitschrift für Naturforschung C

A Journal of Biosciences

Editor-in-Chief: Seibel, Jürgen

Editorial Board: Aigner , Achim / Boland, Wilhelm / Bornscheuer, Uwe / Hoffmann, Klaus

12 Issues per year


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1865-7125
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Volume 60, Issue 11-12

Issues

Isolation and Evaluation of Tannin-degrading Fungal Strains from the Mexican Desert

Mario Cruz Hernández
  • Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Saltillo, Coah, México.
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Juan Carlos Contreras Esquivel
  • Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Saltillo, Coah, México.
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Faustino Lara / Raúl Rodríguez
  • Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Saltillo, Coah, México.
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Cristóbal N. Aguilar
Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/znc-2005-11-1205

Eleven fungal strains (4 Penicillium commune, 2 Aspergillus niger, 2 Aspergillus rugulosa, Aspergillus terricola, Aspergillus ornatus and Aspergillus fumigatus) were isolated, characterized morphologically and by their capacity to degrade tannins. Aspergillus niger Aa-20 was used as control strain. Several concentrations of hydrolysable tannin (tannic acid) were used as sole carbon source. All strains were able to degrade hydrolysable tannins. Aspergillus niger GH1 and PSH showed the highest tannin-degrading capacity (67 and 70%, respectively). Also, the fungal capacity to degrade condensed tannin (catechin) was tested. Aspergillus niger PSH and Penicillium commune EH2 degraded 79.33% and 76.35% of catechin. The results demonstrated the capacity of fungi to use hydrolysable and condensed tannins as carbon source.

Keywords: Fungal Strains; Screening; Tannin Degradation

About the article

Received: 2004-11-21

Revised: 2005-02-22

Published Online: 2014-06-02

Published in Print: 2005-12-01


Citation Information: Zeitschrift für Naturforschung C, Volume 60, Issue 11-12, Pages 844–848, ISSN (Online) 1865-7125, ISSN (Print) 0939-5075, DOI: https://doi.org/10.1515/znc-2005-11-1205.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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