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. 2017 Mar 7;4(1):20. doi: 10.3390/bioengineering4010020

Figure 5.

Figure 5

NADH generated and consumed at different stages of culture obtained by metabolic flux analysis (MFA): (a) Experiment set 3: 50% acetic acid and 50% propionic acid fed simultaneously; and (b) Experiment set 4: 100% acetic acid alternating with 100% propionic acid. (NADH was considered as internal metabolite).