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

AMB Express

Table 4 Fumaric acid production from glycerol to glucose by various strains of Rhizopus sp. after 168 h of growth (35 °C, 200 rpm)

Rhizopus sp. strain	Glucose		Glycerol		Fumaric acid
Rhizopus sp. strain	G (g/l)	CV (%)	Gl (g/l)	CV (%)	FA (g/l)	Y_fa/s (g/g)
DSM 905	0.0	100	16.4	18.0	2.92	0.07
NRRL1526	0.0	100	12.5	37.5	7.69	0.16
NBRC4773	0.0	100	16.5	17.5	6.79	0.16
NBRC4775	0.0	100	17.7	11.5	7.77	0.19
NRRL6400	0.0	100	13.1	34.5	8.17	0.17
IAFB781	0.0	100	22.4	− 12.0	8.44	0.22

FA (g/l), fumaric acid concentration in medium after culture; G (g/l); glucose 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