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Influence of dissolved oxygen concentration and shear rate on the production of pullulan byAureobasidium pullulans

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Summary

Experiments were carried out withA. pullulans (ATCC 9348) at constant dissolved oxygen concentration (DO=100 and 50% related to air saturation at 1 bar) and at constant stirrer speeds (n=500 and 150 [min−1]). The highest pullulan yield was achieved at decreased constant DO in connection with decreased shear rate. Biomass production was not affected.

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Authors and Affiliations

  1. Lehrstuhl Technische Chemie B, Universität Dortmund, Postfach 50 05 00, D-4600, Dortmund 50, F.R.G.

    A. Wecker & U. Onken

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  1. A. Wecker
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  2. U. Onken
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Wecker, A., Onken, U. Influence of dissolved oxygen concentration and shear rate on the production of pullulan byAureobasidium pullulans . Biotechnol Lett 13, 155–160 (1991). https://doi.org/10.1007/BF01025810

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  • DOI: https://doi.org/10.1007/BF01025810

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