Skip to main content

Table 6 The production of 3-HB, PHB, and by-products under the condition of different nitrogen sources

From: Effects of different sodium salts and nitrogen sources on the production of 3-hydroxybutyrate and polyhydroxybutyrate by Burkholderia cepacia

Type

3-HB concentration,

g/L

3-HB productivity,

g/(L × h)

3-HB yield,

g/g glucose

PHB concentration,

g/L

PHB content,

%

PHB productivity,

g/(L × h)

PHB yield,

g/g glucose

LA concentration,

g/L

AC concentration,

g/L

Peptone (control)

15.22 ± 0.38

0.073 ± 0.002

0.298 ± 0.005

3.21 ± 0.35

54.4 ± 1.9

0.015 ± 0.002

0.063 ± 0.006

21.48 ± 0.74

4.94 ± 0.49

Yeast extract

15.89 ± 0.53

0.076 ± 0.003

0.312 ± 0.007

3.67 ± 0.29

55.2 ± 1.7

0.018 ± 0.002

0.074 ± 0.007

21.76 ± 0.68

5.42 ± 0.56

Urea

15.57 ± 0.57

0.074 ± 0.003

0.305 ± 0.008

3.04 ± 0.32

53.6 ± 2.3

0.015 ± 0.002

0.061 ± 0.006

21.08 ± 0.81

5.01 ± 0.42

AS

14.63 ± 0.47

0.070 ± 0.002

0.287 ± 0.007

2.30 ± 0.36

48.3 ± 2.1

0.011 ± 0.002

0.045 ± 0.007

20.53 ± 0.82

4.90 ± 0.47

Peptone + Yeast extract

16.35 ± 0.53

0.078 ± 0.003

0.321 ± 0.007

3.79 ± 0.39

55.5 ± 2.1

0.017 ± 0.002

0.070 ± 0.008

18.91 ± 0.65

4.86 ± 0.51

Peptone + urea

16.91 ± 0.55

0.081 ± 0.003

0.332 ± 0.007

3.85 ± 0.41

57.9 ± 2.5

0.018 ± 0.002

0.075 ± 0.008

19.32 ± 0.71

4.03 ± 0.58

Peptone + AS

17.02 ± 0.39

0.081 ± 0.00s2

0.334 ± 0.005

3.53 ± 0.39

56.4 ± 1.7

0.017 ± 0.002

0.069 ± 0.007

20.12 ± 0.80

4.45 ± 0.39

Yeast extract + urea

17.16 ± 0.42

0.082 ± 0.002

0.337 ± 0.005

4.68 ± 0.30

59.2 ± 2.4

0.022 ± 0.002

0.091 ± 0.006

18.36 ± 0.87

3.87 ± 0.45

Yeast extract + AS

17.34 ± 0.47

0.083 ± 0.002

0.340 ± 0.006

3.74 ± 0.38

56.2 ± 2.8

0.018 ± 0.002

0.073 ± 0.007

19.51 ± 0.79

4.23 ± 0.53