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Table 3 IC50 values of selected nitrogenous compounds for Saccharomyces cerevisiae Y128

From: Inhibition of microbial biofuel production in drought-stressed switchgrass hydrolysate

Compound IC50 (mM)
2-Methylimidazole 50.9 ± 0.7
4(5)-Methylimidazole 25.2 ± 1.0
2,4-Dimethylimidazole 33.1 ± 10.4
2-Methylpyrazine >100a
2,3-Dimethylpyrazine 83.9 ± 7.5
2,5-Dimethylpyrazine 80.9 ± 4.8
2,6-Dimethylpyrazine 82.6 ± 3.8
2,3,5-Trimethylpyrazine 66.8 ± 3.5
(5-Methylpyrazin-2-yl)methanol >80a
  1. IC50 values are reported as the mean ± SEM (n = 3)
  2. aAll replicates had no growth inhibition for the range of concentrations tested