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

AMB Express

Table 6 Fumaric acid production from glycerol to galactose by various strains of Rhizopus sp. after 168 h of growth (35 °C, 200 rpm)

Rhizopus sp. strain	Galactose		Glycerol		Fumaric acid
Rhizopus sp. strain	Ga (g/l)	CV (%)	Gl (g/l)	CV (%)	FA (g/l)	Y_fa/s (g/g)
DSM 905	0.54	98.65	18.98	5.1	12.5	0.31
NBRC 1526	0.61	98.48	18.91	5.5	16.29	0.40
NBRC 4773	0.90	97.75	18.42	7.9	13.59	0.34
NBRC 4775	0.69	98.28	17.08	14.6	15.79	0.37
NRRL 6400	0.23	99.43	12.02	39.9	17.67	0.37
IAFB781	0.62	98.45	14.08	29.6	10.74	0.23

FA (g/l), fumaric acid concentration in medium after culture; Ga (g/l), galactose 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