Continuous pullulan fermentation in a biofilm reactor

  title={Continuous pullulan fermentation in a biofilm reactor},
  author={Kuan-Chen Cheng and Ali Demirci and Jeffrey M. Catchmark},
  journal={Applied Microbiology and Biotechnology},
Biofilm is a natural form of cell immobilization in which microorganisms attach onto solid support. In this study, a pigment-reduced pullulan-producing strain, Aureobasidium pullulans (ATCC 201253), was used for continuous pullulan fermentation in a plastic composite support (PCS) biofilm reactor. Optimal conditions for the continuous pullulan production were determined by evaluating the effects of the feeding medium with various concentrations of ammonium sulfate and sucrose and dilution rate… CONTINUE READING


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