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Table 4 Influence of different nitrogen sources in the propagation medium on the ethanol yield on total sugars and xylose consumption of CR01 during fermentation of wheat straw and corn stover hydrolysates

From: Nutrient-supplemented propagation of Saccharomyces cerevisiae improves its lignocellulose fermentation ability

  Nitrogen source Wheat straw hydrolysate Corn stover hydrolysate
Ethanol yield (g g−1) Consumed xylose (g L−1) Ethanol yield (g g−1) Consumed xylose (g L−1)
No adaptation Ureaa 0.36 ± 0.02 15.1 ± 0.4 0.35 ± 0.03 7.4 ± 1.0
Ammoniumb 0.35 ± 0.01 11.4 ± 0.5 0.29 ± 0.00 4.9 ± 0.7
Peptonec 0.35 ± 0.01 12.6 ± 0.6 0.20 ± 0.02 2.2 ± 0.8
Adaptation Ureaa 0.36 ± 0.00 14.7 ± 0.4 0.36 ± 0.02 9.5 ± 0.6
Ammoniumb 0.21 ± 0.01 3.3 ± 0.6 0.34 ± 0.01 8.3 ± 0.3
Peptonec 0.37 ± 0.00 13.8 ± 0.3 0.27 ± 0.01 2.9 ± 0.3
  1. a2.3 g L−1; b5.0 g L−1; c3.4 g L−1