Table 2 Correlations between structural properties and digestibility
Parameter | Glucan release (%) | Xylan content (%) | Lignin content (%) | Degree of polymerization | Particle size | Aspect ratio | Cell wall thickness | Surface roughness | Delamination/ porosity |
|---|---|---|---|---|---|---|---|---|---|
Untreated | 24.0 | 22.0 | 12.3 | 2,000 | 0.15 | 1.78 | 1.29 | 7.60 | 3.41 |
ZC | 68.7 | 8.8 | 24.2 | 1,750 | 0.08 | 1.90 | 3.49 | 10.37 | 5.62 |
SG | 88.0 | 4.8 | 25.0 | 1,650 | 0.08 | 1.67 | 2.60 | 17.53 | 20.01 |
HS | 95.2 | 3.2 | 24.8 | 1,850 | 0.07 | 1.49 | 2.30 | 17.61 | 26.57 |
Correlation coefficient (R) | −1.00 | 0.87 | −0.28 | −0.97 | −0.98 | −1.00 | 0.97 | 1.00 | |
Correlation coefficient squared (R2) | 1.00 | 0.76 | 0.08 | 0.94 | 0.97 | 1.00 | 0.94 | 1.00 |