Table 3: Chemical composition (% w/w, dry basis) of Brazilian SS reported in the literature.

Component (%) Reference Moriya [34]1* Pitarelo [27]2* Saad et al. [35]3* da Silva et al. [28]4 Luz et al. [36]5 Costa et al. [37]6 Cellulose 36.1 34.4 36.1 33.6 33.3 33.5 Hemicellulose 28.3 18.4 26.9 28.9 27.4 27.1 Lignin 26.2 40.7 26.2 31.8# 26.1 25.8 Ash 2.1 11.7 2.1 5.7 2.6 2.5 Extractives 5.3 11.5 5.3 — — — Others — — — — 10.6 —

*Extractives-free basis. #Lignin and others. Extracting solvents: 1ethanol; 2dichloromethane, ethanol : toluene (1 : 2), ethanol, and hot water; 3water; 4none; 5none; 6none.