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. 2014 May 27;5:247. doi: 10.3389/fmicb.2014.00247

Table 2.

The chemicals and their concentration ranges (mM) selected for toxicity testing.

Concentration Range tested (Fold) 0.1× 0.25× 0.5× 2.5× 10×
AMMONIUM SALTS
Ammonium Acetate (AA, 36.6 mM) 4.64 11.6 23.2 46.4 116.1 232.2 464.4
Ammonium Sulfate (AS, 21mM) 4.0 10.0 20.0 40.0 100.0 200.0 400.0
FURANS
Furfural (F, 12.3 mM) 1.26 3.15 6.30 12.59 31.48 62.97 125.94
HMF (1.3 mM) 0.14 0.36 0.71 1.43 3.57 7.14 14.27
LIGNIN MONOMERS
4-Hydroxybenzaldehyde (HBA, 0.08 mM) 0.01 0.02 0.04 0.08 0.20 0.41 0.82
Vanillin (V, 0.13 mM) 0.01 0.03 0.07 0.13 0.33 0.66 1.31
Benzoic Acid (B, 0.037 mM) 0.08 0.20 0.41 0.82 2.05 4.09 8.19
p-Coumaric Acid (CA, 0.73 mM) 0.07 0.18 0.37 0.73 1.83 3.65 7.31
Ferulic Acid (FA, 0.46 mM) 0.05 0.12 0.23 0.46 1.16 2.32 4.63
4-Hydroxybenzoic Acid (HB, 0.20 mM) 0.01 0.04 0.07 0.14 0.36 0.72 1.45
Vanillic Acid (VA, 0.054 mM) 0.01 0.03 0.06 0.12 0.30 0.59 1.19

The concentration (mM) following the chemical abbreviation is the concentration in the slurry calculated from analytical results of GC-MS, LC-MS, or ICP-MS.