Table 2.

Peak Cell Density, Glucose Consumption, and Metabolite Production in Deriving Erythroblasts at Day 27 of Differentiation

Day 27	Spinner 1	Spinner 2	Spinner 3
Concentration (cells/mL)	1.7 × 107 ± 5.2 × 105	1.32 × 107 ± 5.5 × 105	1.38 × 107 ± 5.5 × 105
Total cells/50 mL	8.5 × 108 ± 2.6 × 107	6.6 × 108 ± 2.7 × 107	6.9 × 108 ± 2.7 × 107
Total medium used (mL)	575	575	575
Lactate production (mg/L/per 24 h/million cells)	1.76	1.73	1.81
Ammonia production (mM/per 24 h/million cells)	0.0016	0.0014	0.0018
Glucose consumption (mg/L/per 24 h/million cells)	1.7	1.1	1.3