Bioconversion of Sugarcane Biomass into Ethanol: An Overview about Composition, Pretreatment Methods, Detoxification of Hydrolysates, Enzymatic Saccharification, and Ethanol Fermentation

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.