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Production of sophorolipids by Candida bombicola grown on soy molasses as substrate*,**

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Abstract

Sophorolipids (SLs) were produced from Candida bombicola using soy molasses and oleic acid as co-substrates. The purified SLs were obtained at 21 g l−1 and were 97% in lactone form. The major SL constituent (81% relative abundance) of the product mixture contains an oleoyl chain. The surface properties of the SLs obtained from the soy molasses/oleic acid fermentation had minimum surface-tension values of 37 mN m−1 (pH 6) and 38 mN m−1 (pH 9), and critical micelle concentration values of 6 mg l−1 (pH 6) and 13 mg l−1 (pH 9).

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Authors and Affiliations

  1. Agricultural Research Service, U.S. Department of Agriculture, Fats, Oils and Animal Coproducts Research Unit, Eastern Regional Research Center, 600 East Mermaid Lane, Wyndmoor, PA, 19038, USA

    Daniel K.Y. Solaiman, Richard D. Ashby, Alberto Nuñez & Thomas A. Foglia

Authors
  1. Daniel K.Y. Solaiman
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  2. Richard D. Ashby
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  3. Alberto Nuñez
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  4. Thomas A. Foglia
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Correspondence to Daniel K.Y. Solaiman.

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Solaiman, D.K., Ashby, R.D., Nuñez, A. et al. Production of sophorolipids by Candida bombicola grown on soy molasses as substrate*,** . Biotechnology Letters 26, 1241–1245 (2004). https://doi.org/10.1023/B:BILE.0000036605.80577.30

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  • DOI: https://doi.org/10.1023/B:BILE.0000036605.80577.30

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