Time (days) | Furfural | HMF |
---|
 | 3.9 | 11.6 | 19.3 | 16.7 | 33.3 | 66.7 |
1 | - | - | - | - | - | - |
2 | + | - | - | - | - | - |
3 | + | + | - | + | - | - |
4 | ++ | ++ | - | + | + | - |
5 | +++ | ++ | + | ++ | + | + |
7 | +++ | +++ | + | +++ | ++ | + |
9 | +++ | +++ | ++ | +++ | ++ | + |
- aSubstrate loading units are mg/g DM.-indicates no mycelium growth on the CS; + indicates fungal mycelium was observable but minimal; ++ indicates the fungal mycelium grew quickly and covered the surface of solids medium of the flask. Thoroughly washed dilute acid-pretreated CS with fungal inocula in the flasks were cultured at 25°C for 9 days in the static incubator.