Culture conditions for a new phytase-producing fungus

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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Correspondence to 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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  • Aspergillus sp.
  • fermentation
  • phosphatase
  • phytase