Conversion of C6 and C5 sugars in undetoxified wet exploded bagasse hydrolysates using Scheffersomyces (Pichia) stipitis CBS6054

AMB Express

Table 2 Composition (g/l) of the substrates used for fermentation by Scheffersomyces (Pichia) stipitis

Substrate	Initial sugar concentration		Initial inhibitor concentration
Substrate	Glucose	Xylose	Acetic acid	HMF	Furfural
A_X ^a	0.0	14.7 ± 0.0	1.0 ± 0.0	1.2 ± 0.0	0.4 ± 0.0
B_GX ^b	17.3 ± 0.5	9.6 ± 0.2	3.2 ± 0.1	0.4 ± 0.0	0.5 ± 0.0
C_GX ^c	42.8 ± 0.8	6.3 ± 0.0	6.9 ± 0.1	1.2 ± 0.0	0.8 ± 0.0
S_GX ^d	6.1 ± 0.0	15.2 ± 0.0	0.0	0.0	0.0
S_G ^d	27.2 ± 0.5	0.0	0.0	0.0	0.0
S_X ^d	0.0	25.6 ± 0.4	0.0	0.0	0.0

^a hydrolysate after pretreatment at condition A and the simultaneous saccharification and fermentation (SSF) using Saccharomyces cerevisiae.
^b hydrolysate after pretreatment at condition B and enzymatic hydrolysis.
^c hydrolysate after pretreatment at condition C and enzymatic hydrolysis.
^d respective commercial sugar (granular powder) was used as control substrate, Fisher Chemical, USA.