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Table 1 The specific production rates of various alcohols by C. carboxidivorans P7 using different culture strategies

From: Effect of temperature and surfactant on biomass growth and higher-alcohol production during syngas fermentation by Clostridium carboxidivorans P7

Growth conditions

Alcohol specific production ratea (g alcohol/(day g biomass))

Ethanol

Butanol

Hexanol

25 °C

1.38 ± 0.09

0.20 ± 0.02

0.03 ± 0.01

29 °C

2.46 ± 0.18

0.18 ± 0.02

0.01 ± 0.00

33 °C

0.99 ± 0.04

0.10 ± 0.04

0.01 ± 0.01

37 °C

1.14 ± 0.04

0.05 ± 0.00

0.00 ± 0.00

37 °C

0.71 ± 0.13

0.10 ± 0.01

0.01 ± 0.00

37–33 °C

0.62 ± 0.02

0.16 ± 0.01

0.05 ± 0.02

37–29 °C

0.55 ± 0.03

0.19 ± 0.04

0.07 ± 0.03

37–25 °C

0.66 ± 0.04

0.25 ± 0.01

0.12 ± 0.01

Control-37 °C

0.72 ± 0.06

0.04 ± 0.00

0.00 ± 0.00

Control-37–25 °C

0.53 ± 0.00

0.23 ± 0.00

0.15 ± 0.01

Tween 80-37 °C

1.17 ± 0.18

0.13 ± 0.03

0.02 ± 0.01

Tween 80-37–25 °C

0.67 ± 0.08

0.23 ± 0.02

0.10 ± 0.01

Saponin-37 °C

0.50 ± 0.00

0.09 ± 0.00

0.01 ± 0.00

Saponin-37–25 °C

0.62 ± 0.10

0.16 ± 0.02

0.05 ± 0.01

  1. aMean values and standard errors of three replicates are shown