Utilization of Wheat Bran Acid Hydrolysate by Rhodotorula mucilaginosa Y-MG1 for Microbial Lipid Production as Feedstock for Biodiesel Synthesis

Table 1

Biomass production and lipids accumulation by R. mucilaginosa Y-MG1 cultivated for 5 days on various carbon sources.

Carbon source	X^a (g/L)	L^b (g/L)	Y^c (%, w/w)	Relative fatty acid content (%)
				C16 : 0	C16 : 1	C18 : 0	C18 : 1	C18 : 2
Glucose	6.64 ± 0.55	1.84 ± 0.36	27.65 ± 3.13	15.20	1.40	6.30	58.30	14.50
Xylose	6.14 ± 0.14	1.53 ± 0.08	24.94 ± 1.89	25.51	0.84	5.71	50.06	0.11
Arabinose	4.99 ± 0.24	0.58 ± 0.01	11.73 ± 0.26	10.03	—	9.31	26.96	36.44
Sucrose	6.37 ± 0.22	1.74 ± 0.04	27.3 ± 0.34	15.44	0.66	9.25	68.45	3.09
Lactose	0.65 ± 0.01	0.1 ± 0.01	15.71 ± 3.03	ND	ND	ND	ND	ND
Glycerol	4.57 ± 0.68	1.19 ± 0.1	27.08 ± 6.32	14.69	0.94	13.11	25.52	40.69
Glucose/xylose (1 : 1)	6.25 ± 0.04	1.69 ± 0.07	27.15 ± 1.07	15.37	1.03	10.13	29.05	33.16
Glucose/xylose (2 : 1)	6.31 ± 0.41	1.71 ± 0.23	26.95 ± 1.87	14.48	1.38	9.90	25.67	40.53

^aBiomass; ^blipid yields; ^clipid content.