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. 2014 Mar 29;7:45. doi: 10.1186/1754-6834-7-45

Table 4.

Potential concentrations of inhibitor compounds formed at 20-minute reaction times at 200°C under hydrothermal conditions

Species
Molecular weight
Liquor ratio = 10:1
 
Liquor ratio = 4:1
 
    g/kg mM g/kg mM
Lignin
188a
13
6.9
18
9.5
Acetic acid
60
9
15
16
27
Furans
96b
2.5
2.6
18
19
Formic acid 46 5 10.9 8.5 18.5

aVanillic acid; bfurfural.