Figure 7: Effect of NaCl addition on redox level and ratio on C. acetobutylicum ATCC 824 batch culture on xylose.

(a) NADH; (b) NAD+; (c) NADPH; (d) NADP+; (e) NAD+-to-NADH ratio; (f) NADP+-to-NADPH ratio. ⦁ 170 mM NaCl addition culture and ⚬ the control culture. Error bars represent standard deviations from three independent replicates (n = 3).