Table 1 Glucose consumption rates and yields of bacterial cellulose in Gluconacetobacter xylinus cultures after 7 d ^a

Coniferyl aldehyde

3.5±0.1

3.5±0.1

3.4±0.1

2.8±0.1

0.45±0.01

-

-

-

-

Ferulic acid

3.5±0.1

3.5±0.1

3.5±0.1

3.5±0.3

3.5±0.1

-

-

-

-

Vanillin

3.5±0.1

3.3±0.1

-

-

-

1.7±0.9

0.31±0.13

0.37±0.05

0.34±0.09

4-Hydroxybenzoic acid

3.5±0.1

3.4±0.1

-

-

-

3.5±0.1

3.5±0.1

3.4±0.1

3.3±0.1

B. Volumetric yield of bacterial cellulose (g/L)

Phenols

Concentration (mM)

0

0.5

1.0

1.5

2.0

2.5

5

7.5

10

Coniferyl aldehyde

6.7±0.3

6.4±1.0

4.2±1.4

3.4±1.0

ND^b

-^c

-

-

-

Ferulic acid

6.7±0.3

6.4±0.5

6.5±0.2

6.1±0.5

6.6±2.1

-

-

-

-

Vanillin

6.7±0.3

5.8±0.3

-

-

-

2.9±0.3

0.38±0.27

0.35±0.40

0.07±0.08

4-Hydroxybenzoic acid

6.7±0.3

6.4±1.1

-

-

-

6.2±0.6

5.9±0.5

5.4±1.6

5.0±0.4

C. Bacterial cellulose yield on consumed glucose (g/g)

Phenols

Concentration (mM)

0

0.5

1.0

1.5

2.0

2.5

5

7.5

10

Coniferyl aldehyde

0.28±0.01

0.26±0.04

0.17±0.06

0.17±0.05

ND

-

-

-

-

Ferulic acid

0.28±0.01

0.26±0.02

0.26±0.01

0.25±0.02

0.27±0.08

-

-

-

-

Vanillin

0.28±0.01

0.25±0.01

-

-

-

0.24±0.05

0.17±0.06

0.13±0.08

0.03±0.01

4-Hydroxybenzoic acid

0.28±0.01

0.29±0.05

-

-

-

0.25±0.02

0.24±0.02

0.22±0.06

0.21±0.01