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Table 3 Kinetic parameters for ethanol production from acid and enzymatic hydrolysates using the two best mutant strains (PSUV9, CSEB7) and parent strains (PSP, CSP) of P. stipitis NCIM-3498 and Candida shehatae NCIM 3501

From: Enhanced bioethanol production from wheat straw hemicellulose by mutant strains of pentose fermenting organisms Pichia stipitis and Candida shehatae

Parameters	Pichia stiptis				Candida shehatae
	Acid hydrolysate (48 h)		Enzymatic hydrolysate (36 h)		Acid hydrolysate (48 h)		Enzymatic hydrolysate (36 h)
	Parent strain (PSP)	Mutant strain (PSUV9)	Parent strain (PSP)	Mutant strain (PSUV9)	Parent strain (CSP)	Mutant strain (CSEB7)	Parent strain (CSP)	Mutant strain (CSEB7)
Ethanol (g/L)	9.61 ± 0.39	11.93 ± 0.38	8.28 ± 0.54	12.15 ± 0.57	8.35 ± 0.36	9.98 ± 0.81	7.92 ± 0.89	9.55 ± 0.47
Sugar utilized (g/L)	29.20 ± 0.25	30.80 ± 0.93	21.84 ± 0.27	27.27 ± 0.42	26.85 ± 0.91	28.26 ± 0.52	21.35 ± 0.40	21.75 ± 0.64
Yield (g/g)	0.330 ± 0.008	0.390 ± 0.008	0.380 ± 0.006	0.450 ± 0.009	0.310 ± 0.007	0.350 ± 0.005	0.370 ± 0.002	0.440 ± 0.001
Productivity (g/L/h)	0.200 ± 0.015	0.240 ± 0.004	0.230 ± 0.005	0.330 ± 0.011	0.170 ± 0.007	0.200 ± 0.012	0.220 ± 0.007	0.260 ± 0.002
% conversion efficiency	64.53 ± 0.24	75.95 ± 0.26	74.34 ± 0.22	87.36 ± 0.37	60.98 ± 0.23	69.24 ± 0.18	72.74 ± 0.39	86.09 ± 0.31

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