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Table 1 Composition of PWS and SWG

From: A strategy for synergistic ethanol yield and improved production predictability through blending feedstocks

PWS

SWG

WIS

Liquid

Liquid

Components

Percentage of DM

Components

Oligosaccharides

Monosaccharides

Components

 

Glucan

68.3 ± 0.6

Sugars, g/L

  

Soluble solids, g/L

 

Mannan

0.5 ± 0.4

Glucose

BDL*

4.8

Glucose

205.4 ± 3.3

Xylan

4.3 ± 0.01

Mannose

BDL*

1.0

Insoluble solids, g/L

 

Galactan

0.3 ± 0.3

Xylose

59.8

28.2

Crude protein

32.5 ± 0.7

Arabinan

0.6 ± 0.2

Galactose

BDL*

3.5

Residual mass

22.3 ± 1.4

ASL

0.9 ± 0.0

Arabinose

BDL*

4.5

  

AIL

28.7 ± 0.5

Inhibitors, g/L

    

Total ash

5.1 ± 0.0

Acetic Acid

4.6

   
  

Furfural

3.8

   
  

HMF

0.5

   
  1. Composition of water-insoluble solids (WIS) in PWS is expressed as percentage of WIS dry matter. Components dissolved in PWS liquid are expressed as concentrations. All components of SWG are expressed as concentrations.* below detection limit