Production of Sophorolipid Glycolipid Biosurfactants from Sugarcane Molasses Using <i>Starmerella bombicola</i> NBRC 10243

• DOI: 10.5650/jos.60.267
• Publication Date: 2011-06-03T14:17:07Z
• Authors: Makoto Takahashi; Tomotake Morita; Koji Wada; Naoto Hirose; Tokuma Fukuoka; Tomohiro Imura; Dai Kitamoto
• Keywords: Yeast extract

Biosurfactants (BS) are produced by a variety of microorganisms from renewable resources, and have unique properties compared to chemical surfactants. In order attain efficient production BS low-cost materials, we focused our attention on the use sugarcane molasses. Fifteen yeast strains that known as producers were examined for productivity culture medium consisting only molasses water. Among tested, Starmerella bombicola NBRC 10243 sophorolipids (SL), which glycolipid BS. The conditions then investigated in shake-flask culture. SL was significantly affected pH highly accelerated at 6. Under optimum conditions, amount reached 14.4 g/L after 120 h containing 150 total sugars. We tried improve further feeding using jar fermentor. Interestingly, increased up 22.8 h; rate 1.6-fold higher than These results suggest present should great potential SL, facilitate application various fields.