Improvement of D-Ribose Production from Corn Starch Hydrolysate by a Transketolase-Deficient Strain Bacillus subtilis UJS0717

Table 1

Effect of inoculum volume on D-ribose production performance by B. subtilis UJS0717.

Inoculum volume; (v/v)	Initial glucose; (g/L)	Residual glucose; (g/L)	Glucose consumption; rate (%)	Glucose consumption; rate (g/L·h)	Cell concentration; (g/L)	D-Ribose; (g/L)	D-Ribose yield; (g/g)	D-Ribose productivity; (g/L·h)
5%	122.0	12.75 ± 0.14	89.55 ± 0.11	1.52 ± 0.00	7.79 ± 0.01	31.23 ± 0.35	0.29 ± 0.00	0.43 ± 0.00
10%	122.0	4.50 ± 0.35	96.31 ± 0.29	1.63 ± 0.00	8.70 ± 0.32	36.00 ± 0.75	0.31 ± 0.00	0.50 ± 0.00
15%	122.0	6.53 ± 0.58	94.65 ± 0.47	1.60 ± 0.00	9.30 ± 0.20	34.73 ± 0.66	0.30 ± 0.00	0.48 ± 0.00
20%	122.0	6.51 ± 0.67	94.66 ± 0.55	1.60 ± 0.00	9.37 ± 0.10	34.91 ± 0.58	0.30 ± 0.00	0.49 ± 0.00

compared to 5% inoculum volume (v/v) group.