Table 4 Ethanol production efficiency and byproducts formation by M. caribbica MJTm3 under the optimum fermentation conditions after 48 h production period

Alcohol% (v/v)

14.24±0.02

Ethanol concentration (g L⁻¹)

42.14±0.01

Bioethanol yield (%)

69.23±0.01

Productivity (g L⁻¹ h⁻¹ )

0.88±0.03

% of theoretical yield

89.42±0.02

Acetic acid (g L⁻¹)

ND

Acetone (g L⁻¹)

0.54±0.01

Acetaldehyde (g L⁻¹)

0.42±0.02

Glycerol (g L⁻¹)

ND

Propionic acid (g L⁻¹)

ND

Succinic acid (g L⁻¹)

ND

n-Butanol (g L⁻¹)

0.16±0.01

1-Butanol (g L⁻¹)

0.18±0.01

Iso-butanol (g L⁻¹)

ND

n-Propanol (g L⁻¹)

ND

Iso-propanol (g L⁻¹)

0.21±0.01

Methanol (g L⁻¹)

0.32±0.01