Table 6.

Analysis of lignocellulose-based biorefinery byproducts in advanced FBSSF

Type	Cellulose-based dimer c (g cellobiose/L)	Glycerol (g/L)	Target metabolic inhibitors
			Furfural d (w/w, %)	HMF d (w/w, %)	Acetate (g/L)
FBSSF	<0.3	<2.0	Not detected	Not detected	<0.1
SSFa	<0.2	<1.8	Not detected	Not detected	<0.1
Untreatedb (RS)	<0.2	<0.5	Not detected	Not detected	<0.04
Untreatedb (Avicel)	<0.4	<3.0	Not detected	Not detected	<0.1

^aSSF by S. cerevisiae D5A (ATCC 200062); Bak 2014c.

^bFBSSF without the EBI.

^cglucose dimer from the biodegradable substrates after 96 h of fermentation.

^ddetermined as $\frac{\mathrm{g}\mathrm{furfural}\mathrm{of}\mathrm{treated}\mathrm{R}\mathrm{S}}{\mathrm{g}\mathrm{of}\mathrm{initial}\mathrm{weight}\mathrm{of}\mathrm{R}\mathrm{S}}\times 100$ and $\frac{\mathrm{g}\mathrm{of}\mathrm{H}\mathrm{M}\mathrm{F}\mathrm{of}\mathrm{treated}\mathrm{R}\mathrm{S}}{\mathrm{g}\mathrm{of}\mathrm{initial}\mathrm{weight}\mathrm{of}\mathrm{R}\mathrm{S}}\times 100$.