Fig. 2From: Comprehensive investigations of biobutanol production by a non-acetone and 1,3-propanediol generating Clostridium strain from glycerol and polysaccharidesGrowth and fermentation profiles of C. pasteurianum GL11 in P2 medium containing 30 g/L of glycerol (a), 60 g/L of glycerol (b), 60 g/L of glucose (c), 60 g/L of xylose (d) and butanol dehydrogenase activities (e). The pHs in the fermentation process were controlled above 5.2Back to article page