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Table 2 Comparison of CMC value and corresponding surface tension for petroselinic acid (PA) and oleic acid (OA) based sophorolipid compounds

From: Petroselinic acid purification and its use for the fermentation of new sophorolipids

  CMC (mg/L) Surface tension (mN/m)
PA SL lactone 4.2 ± 0.1 34.3 ± 0.0
OA SL lactone 45.1 ± 0.1 33.9 ± 0.7
PA SL acid 154 ± 5 42.0 ± 0.3
OA SL acid 245 ± 9 40.9 ± 0.3
  1. The data for the OA based sophorolipid compounds were previously determined by Roelants et al. (2015)