Folia Microbiologica

, Volume 38, Issue 2, pp 141–146 | Cite as

Continuous cultivation of the yeastSaccharomyces cerevisiae at different dilution rates and glucose concentrations in nutrient media

  • D. Pejin
  • R. Razmovski
Papers
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Revised:

Abstract

The influence of glucose concentration in nutrient media on the specific growth rate and biomass yield in the course of continuous fermentation ofSaccharomyces cerevisiae was investigated. An increase of glucose content in media decreased the specific growth rate and the biomass yield. Glucose concentration had significant effects on protein and phosphate contents of cells. However, an increased glucose concentration increased the fermentative power ofS. cerevisiae (SJA-method). An increase of the dilution rate decreased the cell concentration in the fermentor. Specific growth rate approached the values of the dilution rate. The best agreement has been obtained at a dilution rate of 0.20/h. This dilution rate proved to be most convenient for the investigated microorganism and cultivation conditions (media composition, pH, aeration intensity and temperature). Biomass yield proved to be decreased by an increase of the dilution rate.

Keywords

Glucose Concentration Trehalose Specific Growth Rate Biomass Yield Dilution Rate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Folia Microbiologica 1993

Authors and Affiliations

  • D. Pejin
    • 1
  • R. Razmovski
    • 1
  1. 1.Faculty of TechnologyNovi SadYugoslavia

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