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Table 2 Kinetic parameters of fermentation by NGMAC with strain GT48 at 48 °C (pH 7)

From: Simultaneous saccharification and fermentation for d-lactic acid production using a metabolically engineered Escherichia coli adapted to high temperature

Parameter

Cultivation time (h)

GT48

Qs (g/L∙h)

24

1.06 (0.047)

48

0.91 (0.042)

72

0.61 (0.029)

Qp (g/L∙h)

24

0.82 (0.085)

48

0.76 (0.002)

72

0.52 (0.001)

Yp/s (g/g)

24

76.87% (4.64)

48

82.83% (3.57)

72

85.59% (3.83)

  1. Qs: volumetric rate of glucose consumption. Qp: volumetric productivity of d-LAC. Yp/s: yield of d-LAC on glucose. Values in parenthesis indicate standard deviation from triplicates