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. 2016 Jan 22;3:15–23. doi: 10.1016/j.meteno.2016.01.003

Table 2.

Effect of acetate addition on HA production and molecular weight in L. lactis MKG6.

Without acetate 5 g/l Acetate 10 g/l Acetate 15 g/l Acetate
Biomass (g/l) 3.36±0.16 6.83±0.10 7.99±0.23 7.2±0.05
HA (g/l) 3.03±0.4 2.5±0.21 1.76±0.11 1.6±0.06
Relative HA molecular weight 3.52±0.2 4.4±0.14 3.5±0.15 3.6±0.11
Lactic acid (g/l) 0.6±0.16 0.9±0.12 0.83±0.11 0.92±0.12
Formate (g/l) 4.1±0.16 7.09±0.11 6.2±0.23 6.0±0.26
Acetoin (g/l) 9.28±0.4 11.8±0.07 10.1±0.03 10.8±0.2
Ethanol (g/l) 9.86±0.32 11.31±0.38 6.96±0.23 8.59±0.14
Acetic acid (g/l) 1.23±0.05 3.5±0.24 6.52±0.14 10.2±0.07
Yacetoin/S (C-mol/C-mol) 0.43 0.52 0.44 0.45
Yethanol/S (C-mol/C-mol) 0.43 0.47 0.29 0.33
NAD+/NADH ratio 6.97±0.3 8.46±0.17 6.1±0.09 5.99±0.21