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Table 2 Kinetic parameters for L-lactate production for batch cultures of B subtilis CH1 grown in LB or mineral medium supplemented with glucose or cellobiose (10 g/L).

From: Homolactic fermentation from glucose and cellobiose using Bacillus subtilis

Medium

Sugar

aYP/S (gP/gS)

bqP (gP/gDCW *h)

cqP (gP/gDCW *h)

dQP

(gp/L*h)

eFinal L-lactate (g/L)

Luria

Glucose

1.23

2.25

0.28

0.48

11.6

 

Cellobiose

1.14

1.69

0.26

0.36

13.0

Mineral

Glucose

0.83

0.66

0.21

0.16

7.7

 

Cellobiose

0.82

0.58

0.38

0.17

8.1

  1. aL-lactate yield from sugar at the end of fermentation.
  2. bSpecific rate of L-lactate production during the exponential growth.
  3. cSpecific rate of L-lactate production during the stationary phase.
  4. dVolumetric productivity of L-lactate.
  5. eL-lactate produced at the end of the culture.
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Microbial Cell Factories

ISSN: 1475-2859

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