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Table 5 Analysis of consumed substrate and anaerobic metabolites after 44 h of cultivation of IAM1183-CDE/N and wild-type IAM1183 in 5-L fermenter

From: Impairment of NADH dehydrogenase and regulation of anaerobic metabolism by the small RNA RyhB and NadE for improved biohydrogen production in Enterobacter aerogenes

End product IAM1183 IAM1183-CDE/N Change trend Percent change (%)
Glucose consumption (%) 79.47 97.43 22.26
Residual sugar (g/L) 3.08 0.33 87.34
Hydrogen (H2) (L) 3.110 6.060 94.85
Succinate (mM) 1.02 3.16 209.8
Lactate (mM) 24.78 26.12 5.400
Acetate (mM) 15.33 11.47 25.17
Formate (mM) 1.260 0.790 37.30
Ethanol (mM) 10.54 12.28 16.50
Citric acid (mM) 1.930 1.750 9.330
Acetoin (mM) 20.73 18.58 10.37
2,3-Butanediol (mM) 6.380 7.740 21.31