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Table 5 Glucose release and ethanol yields from the Azolla filiculoides and A. pinnata biomasses

From: Aquatic plant Azolla as the universal feedstock for biofuel production

Biomass/saccharification Released glucose, g/L Ethanol yield, YE/G, g/ga Ethanol yield, YE/B, g/gb
A. filiculoides
 Biomass, g dw/L 52.2 121.23 256.12 NA NA
 No treatment ND ND ND ND ND
 α-amylase + α-amyloglucosidase + cellulase + cellobiase 15.9 ± 4.1 31.5 ± 6.6 65.9 ± 11.8 0.56 ± 0.1 0.089 ± 0.02
A. pinnata
 Biomass/saccharification Released glucose, g/L Ethanol yield, Y E/G, g/gc Ethanol yield, YE/B, g/gd
 Biomass, g dw/L 52.8 120.78 250.98 NA NA
 No treatment ND ND ND ND ND
 α-amylase + α-amyloglucosidase + cellulase + cellobiase 6.5 ± 1.0 13.9 ± 3.1 29.5 ± 8.1 0.28 ± 0.03 0.053 ± 0.01
  1. No significant differences were observed between fermentation with or without additional nutrients
  2. ND not detected
  3. NA not analysed
  4. aFrom 65.9 g/l of glucose
  5. bFrom 256.12 g dw/l of biomass
  6. cFrom 29.5 g/l of glucose
  7. dFrom 250.9 g dw/l of biomass