Fig. 4From: Enhanced isopropanol–butanol–ethanol mixture production through manipulation of intracellular NAD(P)H level in the recombinant Clostridium acetobutylicum XY16Fermentation results of C. acetobutylicum XY16 (pSADH) under different CaCO3 concentrations. Cells were grown in serum bottles with 60 g/L glucose for 72 h (a). The profiles of C. acetobutylicum XY16 (pSADH) in batch fermentation under 10 g/L CaCO3 (b)Back to article page