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Table 5 Path analysis direct effects of biomass traits on glucan conversion after 26-h pre-saccharification

From: Relationship between sugarcane culm and leaf biomass composition and saccharification efficiency

Trait

Direct effect

Before pretreatmentb

After pretreatment

Glucana

 

0.25

Xylan

− 0.44

− 0.50

AIL

− 0.10

− 0.65

ASL

0.43

0.30

S/G ratio

− 0.38

 

CA

− 0.15

 

FA

− 0.11

 

Ash

− 0.01

 

Residual effect

0.64

0.71

R 2

0.59

0.49

  1. AIL: acid-insoluble lignin; ASL: acid-soluble lignin; S/G ratio: syringyl to guaiacyl ratio; CA: p-coumaric acid, FA: ferulic acid
  2. aGlucan was removed from the “Before pretreatment” analysis because it was a major source of multicollinearity
  3. b“Before pretreatment” analysis was based on initial composition values and “After pretreatment” analysis was based on pretreated composition values (including the untreated treatment group)
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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