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Sophorolipid Production with High Yields on Whey Concentrate and Rapeseed Oil without Consumption of Lactose

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Abstract

Sophorolipids were produced by single-step batch cultivation of Candida bombicola ATCC 22214 on deproteinized whey concentrate and repeated feed of rapeseed oil. A mild sterilization method for whey was developed. High yields of 280 g dry sophorolipids l−1 were obtained from deproteinized whey concentrate containing 100 g lactose l−1 and 300 g rapeseed oil l−1. Surprisingly, the whey lactose was not consumed by the organism. Growth only on the oil was assumed and a high lipase activity of 24 U per g cell dry weight resulted.

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Authors and Affiliations

  1. Institute of Biochemical Engineering, University of Stuttgart, Allmandring 31, D-70569, Stuttgart, Germany

    Hans-J. Daniel, Ralf T. Otto, Matthias Reuss & Christoph Syldatk

Authors
  1. Hans-J. Daniel
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  2. Ralf T. Otto
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  3. Matthias Reuss
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  4. Christoph Syldatk
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Daniel, HJ., Otto, R.T., Reuss, M. et al. Sophorolipid Production with High Yields on Whey Concentrate and Rapeseed Oil without Consumption of Lactose. Biotechnology Letters 20, 805–807 (1998). https://doi.org/10.1023/B:BILE.0000015927.29348.1a

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  • DOI: https://doi.org/10.1023/B:BILE.0000015927.29348.1a

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