Fig. 4
Correlation between glucose yield and biomass-related factors. Lignin content a, hemicellulose content b, cellulose content c, L/C ratio d, S/G ratio (Py-GC/MS) e, Cα-oxidized products f, ph-C1-2/ph-C3 ratio g, S/G ratio (NMR) h, S′ + G′ i, β-O-4 linkages j, condensation degree k, and FA l (only in wheat straw): poplar A and wheat straw B