Journal
BIOTECHNOLOGY LETTERS
Volume 33, Issue 12, Pages 2417-2423Publisher
SPRINGER
DOI: 10.1007/s10529-011-0703-8
Keywords
Glycolipid; Meadowfoam oil; Rapeseed oil; Rhodotorula bogoriensis; Sophorolipid
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Funding
- Flemish Agency for Innovation by Science and Technology [IWT80050]
- China Scholarship Council [2009811406]
- Ghent University [01SC1009]
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The yeast Rhodotorula bogorensis produces sophorolipids of different structures to those produced by Candida bombicola. However, the yield is very low. To improve sophorolipid production by R. bogoriensis, vegetable oil was supplemented to the medium as a hydrophobic substrate: with rapeseed oil the sophorolipid yield was 1.26 g/l but without oil was 0.33 g/l. Cultures with meadowfoam oil produced 0.77 g sophorolipids/l. Lipase-treated meadowfoam oil, however, gave no significant increase in sophorolipid production. Possible explanations for the enhanced sophorolipid synthesis are discussed.
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