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Culture conditions for a new phytase-producing fungus

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Abstract

Extracellular phytase produced by Aspergillus sp. 5990 showed a 5-fold higher activity in liquid culture when compared with cultures of Aspergillus ficuum NRRL 3135. The optimum fermentation conditions were determined to be 35 °C, neutral pH, and 4 days incubation. The phytase had a higher optimum temperature for its activity than the commercial enzyme, Natuphos, from Aspergillus ficuum NRRL 3135.

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Authors and Affiliations

  1. Department of Food Science and Nutrition, Yosu National University, Yosu, 550-749, Korea

    Doo-Sang Kim & Hyeung-Rak Kim

  2. Department of Food Science, Louisiana State University and Agricultural Center, Baton Rouge, LA, 70803, USA

    J. Samuel Godber

Authors
  1. Doo-Sang Kim
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  2. J. Samuel Godber
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  3. Hyeung-Rak Kim
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Kim, DS., Godber, J.S. & Kim, HR. Culture conditions for a new phytase-producing fungus. Biotechnology Letters 21, 1077–1081 (1999). https://doi.org/10.1023/A:1005696829168

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  • DOI: https://doi.org/10.1023/A:1005696829168

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