World Journal of Microbiology and Biotechnology

, Volume 8, Issue 5, pp 488–493

Solid substrate fermentation of leached beet pulp withTrichoderma aureoviride

  • A. Illanes
  • G. Aroca
  • L. Cabello
  • F. Acevedo
Research Papers

Abstract

Optimum production of cellulases on leached beet pulp by native and mutant strains ofTrichoderma aureoviride in column-type, solid-substrate fermenters, at controlled temperature and aeration rate, was with a mutant strain, that produced 11 and 29 filter paper units of activity/g solids on raw and acid pre-treated leached beet pulp, respectively. The former value was 40% higher than in the native strain and 70% higher than in the reference strain. protein enrichment of residual solid was significant in all cases, with values up to 40% of total dry weight. Results are suitable for scale-up to pilot level.

Key words

Beet pulp fermentation cellulase production protein enrichment solid-substrate fermentation Trichoderma aureoviride 

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Copyright information

© Rapid Communications of Oxford Ltd. 1992

Authors and Affiliations

  • A. Illanes
    • 1
  • G. Aroca
    • 1
  • L. Cabello
    • 1
  • F. Acevedo
    • 1
  1. 1.Biochemical Engineering SchoolUniversidad Católica de ValparaisoCasillaChile

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