Skip to main content

Table 1 r NAD + / r NADH ratio at different instants under different operation conditions

From: Improving the stability of glutamate fermentation by Corynebacterium glutamicum via supplementing sorbitol or glycerol

Time (h) Fermentation batches
Batch #1 Batch #2 Batch #3 Batch #4 Batch #5 Batch #6
14 1.11 0.85 1.10 0.78 1.03 0.90
16 1.11 0.92 1.13 0.85 0.94 0.94
18 1.02 0.83 1.15 0.83 0.98 0.90
20 0.94 0.66 1.10 0.89 0.93 0.88
22 0.93 0.58 1.08 0.84 0.97 0.87
24 0.89 0.56 1.15 0.95 0.89 0.91
26 0.93 0.59 1.09 0.96 0.94 0.86
28 0.72 0.64 0.95 0.82 0.76 0.82
  1. Batch #1, normal batch (control); batch #2, abnormal batch without sorbitol or glycerol; batch #3, sorbitol co-fed with glucose; batch #4, 15 g/L sorbitol added in the initial medium; batch #5, glycerol co-fed with glucose; batch #6, 10 g/L glycerol added in the initial medium.