Fig. 4From: Simultaneous upgrading of biomass-derived sugars to HMF/furfural via enzymatically isomerized ketose intermediatesIsomerization of higher concentrations of mixed sugars (b) (90 g/L glucose and 60 g/L xylose) compared to low concentration sugars (a) (30 g/L glucose and 20 g/L xylose)Back to article page