Aerobic and sequential anaerobic fermentation to produce xylitol and ethanol using non-detoxified acid pretreated corncob

Table 1 Xylitol and ethanol combined production by Candida tropicalis W103 using pretreated corncob at different substrate loadings

Liquid/solid	The composition before fermentation					The composition after fermentation					Xylitol production		Ethanol production
	Glu (g l^-1)	Xyl (g l^-1)	Fur (g l^-1)	5-HMF (g l^-1)	Ace (g l^-1)	Glu (g l^-1)	Xyl (g l^-1)	Fur (g l^-1)	5-HMF (g l^-1)	Ace (g l^-1)	Concentration (g l^-1)	Yield (g g^-1xylose)	Concentration (g l^-1)	Yield (g g^-1glucose)
8	5.43	33.31	0.18	0.29	1.71	0	3.4	0	0	0	14.7	0.44	19.7	0.42
7	6.20	38.06	0.21	0.34	1.95	0	3.1	0	0	0	16.4	0.43	20.7	0.42
6	7.24	44.41	0.24	0.39	2.28	0	2.8	0	0	0.12	16.0	0.36	23.2	0.43
5	8.69	53.29	0.29	0.47	2.74	0	3	0	0	0.29	17.1	0.32	25.3	0.42
4	10.86	66.61	0.36	0.59	3.42	61.2	66.6	0.59	0.41	2.70	-	-	-	-

ISSN: 2731-3654