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Related Experiment Videos

Tannase production by Aspergillus aculeatus DBF9 through solid-state fermentation.

D Banerjee1, K C Mondal, B R Pati

  • 1Department of Microbiology, Vidyasagar University, Midnapore-721 102, West Bengal, India. debu33@yahoo.com

Acta Microbiologica Et Immunologica Hungarica
|September 29, 2007
PubMed
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This study optimized tannase enzyme and gallic acid production using Aspergillus aculeatus DBF9 via solid-state fermentation. Wheat bran with 5% tannic acid, 80% moisture, and 30°C yielded maximum results after 72 hours.

Area of Science:

  • Biotechnology and Industrial Microbiology
  • Enzyme Production
  • Fermentation Technology

Background:

  • Tannase is a crucial industrial enzyme.
  • Aspergillus aculeatus DBF9 is a known enzyme producer.
  • Solid-state fermentation (SSF) is an effective method for enzyme production.

Purpose of the Study:

  • To optimize the production of tannase enzyme and gallic acid.
  • To identify optimal conditions for tannase production by Aspergillus aculeatus DBF9 using SSF.
  • To evaluate different substrates and parameters for enhanced enzyme yield.

Main Methods:

  • Solid-state fermentation (SSF) using Aspergillus aculeatus DBF9.
  • Screening of solid substrates, with a focus on wheat bran.
  • Optimization of tannic acid concentration, incubation time, substrate moisture, and temperature.

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Main Results:

  • Wheat bran was identified as a suitable substrate for high enzyme and gallic acid yield.
  • Maximum tannase and gallic acid production was achieved with 5% tannic acid.
  • Optimal conditions were determined as 72 hours of incubation, 80% initial substrate moisture, and 30°C temperature.

Conclusions:

  • Solid-state fermentation of Aspergillus aculeatus DBF9 on wheat bran is an effective method for tannase and gallic acid production.
  • The study successfully optimized key fermentation parameters for enhanced enzyme yield.
  • The findings provide valuable insights for the industrial-scale production of tannase.