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Table 2 Kinetic parameters of ethanol production from 100 g/l glucose in the presence of inhibitory substances at 42 °C

From: Effects of various inhibitory substances and immobilization on ethanol production efficiency of a thermotolerant Pichia kudriavzevii

Inhibitors [29]Time (h)Ethanol concentration (g/l)Ethanol yields (% of the theoretical yield)Ethanol productivity (g/l/h)
Furfural
 101629.0 ± 1.656.8 ± 3.11.8 ± 0.1
4037.5 ± 4.373.4 ± 8.40.9 ± 0.1
7236.3 ± 3.871.0 ± 7.40.5 ± 0.1
 201629.0 ± 1.256.8 ± 2.31.8 ± 0.1
4035.6 ± 0.869.7 ± 1.60.9 ± 0.0
7231.7 ± 1.362.0 ± 2.50.4 ± 0.0
 301617.8 ± 2.034.8 ± 3.91.1 ± 0.1
4026.8 ± 2.952.4 ± 5.70.7 ± 0.1
7228.1 ± 1.055.0 ± 2.00.4 ± 0.0
Acetic acid
 401628.4 ± 0.955.6 ± 1.81.8 ± 0.1
4041.2 ± 0.880.6 ± 1.61.0 ± 0.0
7237.8 ± 4.774.0 ± 9.20.5 ± 0.1
 501627.3 ± 1.753.4 ± 3.31.7 ± 0.1
4035.3 ± 3.169.1 ± 6.10.9 ± 0.1
7239.9 ± 1.178.1 ± 2.20.6 ± 0.0
 701623.1 ± 2.445.2 ± 4.71.4 ± 0.2
4032.4 ± 1.763.4 ± 3.30.8 ± 0.0
7232.6 ± 1.763.8 ± 3.30.5 ± 0.0
Formic acid
 251636.1 ± 1.270.6 ± 2.32.3 ± 0.1
4033.4 ± 2.565.4 ± 4.90.8 ± 0.1
7232.8 ± 3.964.2 ± 7.60.5 ± 0.1
 351628.8 ± 1.556.4 ± 2.91.8 ± 0.1
4034.2 ± 1.066.9 ± 2.00.9 ± 0.0
7232.6 ± 2.663.8 ± 5.10.5 ± 0.0
 451620.3 ± 1.139.7 ± 2.21.3 ± 0.1
4027.7 ± 3.554.2 ± 6.80.7 ± 0.1
7232.0 ± 1.862.6 ± 3.50.4 ± 0.0
  1. Data are presented as the mean ± SD of the results from three biological replicates