Figure 6From: Spray drying as a strategy for biosurfactant recovery, concentration and storageSurface tension x dilution curves of spray dried crude biosurfactant produced by B. subtilis LBBMA RI4914, one day after spray-drying and after 4 months of storage at environment conditions. a) kaolinite 100 g L-1; b) kaolinite 20 g L-1; c) maltodextrin 10DE 250 g L-1.Back to article page