A co-utilization strategy to consume glycerol and monosaccharides by Rhizopus strains for fumaric acid production

AMB Express

Table 7 Fumaric acid production from glycerol to mannose by various strains of Rhizopus sp. after 168 h of growth (35 °C, 200 rpm)

Rhizopus sp. strain	Mannose		Glycerol		Fumaric acid
Rhizopus sp. strain	M (g/l)	CV (%)	Gl (g/l)	CV (%)	FA (g/l)	Y_fa/s (g/g)
DSM 905	0.0	100.0	14.30	28.5	9.87	0.22
NRRL1526	0.0	100.0	15.67	21.7	11.17	0.25
NBRC4773	0.0	100.0	17.73	11.4	17.67	0.42
NBRC4775	0.0	100.0	14.12	29.4	14.93	0.33
NRRL6400	0.0	100.0	11.03	44.9	21.37	0.43
IAFB781	0.0	100.0	11.66	41.7	12.86	0.27

FA (g/l), fumaric acid concentration in medium after culture; M (g/l), mannose concentration in medium after culture; Gl (g/l), glycerol concentration in medium after culture; CV (%), consume value; Y_fa/s (g/g), g of fumaric acid produced per g of carbon source consumed