Table 2.

Xylitol production by selected Meyerozyma strains in shake-flasks under oxygen-limited conditions in a defined medium. Xylitol production, yield, and productivity after 72 h of incubation. Values are average and deviation from duplicate experiments.

Microorganism	Xylose Consumed (g/L)	Xylitol Production (g/L)	Xylitol Yield (g/g) a	Productivity (g//g h–¹) b
M. guilliermondii H5	24.28 ± 5.65	6.69 ± 1.44	0.28 ± 0.01	0.009 ± 0.004
M. guilliermondii H9	20.64 ± 2.12	7.19 ± 1.38	0.35 ± 0.03	0.009 ± 0.003
M. guilliermondii H12	24.50 ± 2.46	6.20 ± 0.63	0.28 ± 0.07	0.009 ± 0.001
M. guilliermondii A12	24.67 ± 4.39	6.37 ± 2.27	0.25 ± 0.05	0.010 ± 0.005
M. guilliermondii B12	24.10 ± 0.70	7.25 ± 0.46	0.30 ± 0.02	0.011 ± 0.002
M. guilliermondii G12	21.77 ± 2.87	6.19 ± 0.43	0.29 ± 0.02	0.009 ± 0.003

^a Y_X/S: xylitol yield on xylose; ^b Volumetric productivity.