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Table 3 Growth and PHAs production of A. latus during repeated batch fermentation processing

From: A higher in value biopolymer product of polyhydroxyalkanoates (PHAs) synthesized by Alcaligenes latus in batch/repeated batch fermentation processes of sugar cane juice

Batch number

Time (h)

DCW (g/L)

PHAs (g/L)

Residual sugar (g/L)

Consumed sugar (g/L)

Y X/S

Y P/S

PHAs content (%)

Productivity (g/L·h)

1

24

4.22 ± 0.00

2.20 ± 0.07

9.80 ± 0.14

10.53

0.40

0.21

52.13

0.09

2

21

4.30 ± 0.01

2.80 ± 0.14

10.95 ± 0.01

9.63

0.45

0.29

65.11

0.13

3

18

4.35 ± 0.03

2.93 ± 0.03

11.35 ± 1.20

7.79

0.56

0.38

67.35

0.16

4

15

4.50 ± 0.01

3.10 ± 0.00

6.46 ± 0.04

11.84

0.38

0.26

68.89

0.21

  1. Y X/S = Biomass yield (DCW per consumed sugar)
  2. Y P/S = PHAs yield (PHAs produced per consumed sugar)
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Annals of Microbiology

ISSN: 1869-2044

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