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Effect of stitter speed and aeration rate on the production of glucose oxidase by Aspergillus niger

Jafari, A. R ; Sharif University of Technology | 2007

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  1. Type of Document: Article
  2. DOI: 10.3923/jbs.2007.270.275
  3. Publisher: Asian Network for Scientific Information , 2007
  4. Abstract:
  5. Dissolved oxygen tension and shear stress as two very important factors in fungal fermentation were studied in the batch cultures of Aspergillus niger. The intention was to maximize the total activity of glucose oxidase produced in a 5-1 bench-top bioreactor. 300 rpm found to be optimum for enzyme production, however in higher mixing rates higher growth was achieved. The maximum activity of glucose oxidase was obtained in 1.5 vvm while the best aeration rate for growth was 2 vvm. Glucose oxidase with the activity of 548 U mL-1 was produced in 1.5 vvm and 300 rpm as the optimum conditions. © 2007 Asian Network for Scientific Information
  6. Keywords:
  7. Dissolved oxygen ; Glucose oxidase ; Aeration ; Aspergillus niger ; Batch fermentation ; Controlled study ; Enzyme activity ; Enzyme synthesis ; Fungus culture ; Fungus growth ; Nonhuman ; Oxygen tension ; Shear stress ; Stirred reactor ; Velocity ; Aspergillus niger
  8. Source: Journal of Biological Sciences ; Volume 7, Issue 2 , 2007 , Pages 270-275 ; 17273048 (ISSN)
  9. URL: https://scialert.net/abstract/?doi=jbs.2007.270.275