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Table 3 Bulk concentrations, kinetic parameters and diffusivities of glucose, xylose, furfural and HMF used as base case for mathematical modelling

From: Improved sugar co-utilisation by encapsulation of a recombinant Saccharomyces cerevisiae strain in alginate-chitosan capsules

 

C bulk , g/l

v max , mmol/g/h

K M, mmol/l

K i , mmol/l

D w , m2/s

D m , m2/s

D c , m2/s

Glucose

40

6 (L), 2 (H)

20 (L), 0.4 (H)

36 (xylose), 40 (furfural), 80 (HMF)

6.76 × 10-10a

6.08 × 10-10

3.38 Ă— 10-10

Xylose

20

6

100

0.4 (glucose), 40 (furfural), 80 (HMF)

7.69 × 10-10a

6.92 Ă— 10-10

3.85 Ă— 10-10

Furfural

2

3

0.7

 

1.10 × 10-9b

9.90 Ă— 10-10

5.50 Ă— 10-10

HMF

2

1

20

 

1.06 × 10-9c

9.54 Ă— 10-10

5.30 Ă— 10-10

  1. Abbreviations: C bulk concentration in the bulk liquid; D c effective diffusivity in the cell pellet; D m effective diffusivity in the capsule membrane; D w diffusivity in the bulk and in the liquid core of the capsule; H high affinity glucose transporter; HMF 5-hydroxymethylfurfural; K half saturation constant (Michaelis-Menten constant); K i inhibition constant for each of the indicated compound; L low-affinity glucose transporter; v max maximum specific consumption rate;
  2. bData from [27].
  3. cData from [28].
  4. dData from [29].
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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