Microbial lipid production from crude glycerol and hemicellulosic hydrolysate with oleaginous yeasts

Table 1 Endpoint lipid content, concentration, yield and specific lipid production in Rhodotorula toruloides CBS 14 and Rhodotorula glutinis CBS 3044 at the end of fermentation on different media

Strain	Media carbon source	Cell lipid content (%)	Max. lipid concentration (g/L)	Lipid	Final biomass (g/L)
				yield
				(g lipid/ g carbon source)
R. toruloides CBS 14	10% HH	46.8 ± 1.0	12.5 ± 0.5	0.25 ± 0.02	20.1 ± 0.7
	55 g/L CG	46.8 ± 1.0	12.5 ± 0.5	0.25 ± 0.02	20.1 ± 0.7
	55 g/L CG	46.2 ± 5.6	8.8 ± 0.1	0.20 ± 0.01	19.1 ± 0.3
	10% HH	45.8 ± 3.5	6.5 ± 0.5	0.18 ± 0.02	13.5 ± 0.01
	50 g/L CG	45.8 ± 3.5	6.5 ± 0.5	0.18 ± 0.02	13.5 ± 0.01
	50 g/L CG	46.3 ± 1.7	6.3 ± 0.2	0.19 ± 0.01	13.5 ± 0.01
	40% HH	54.6 ± 1.5*	10.6 ± 0.3*	0.23 ± 0.01*	19.4 ± 0.0*
	60 g/l CG	54.6 ± 1.5*	10.6 ± 0.3*	0.23 ± 0.01*	19.4 ± 0.0*
	60 g/L CG	40.5 ± 2.7*	5.7 ± 0.4*	0.17 ± 0.00*	28.0 ± 0.5*
R. glutinis CBS 3044	10% HH	36.4 ± 0.6	7.6 ± 0.5	0.15 ± 0.01	20.3 ± 0.3
	55 g/L CG	36.4 ± 0.6	7.6 ± 0.5	0.15 ± 0.01	20.3 ± 0.3
	55 g/L CG	37.3 ± 1.9	7.1 ± 0.1	0.16 ± 0.01	21.1 ± 0.01

Averages of triplicate cultivations with standard deviation, *average of duplicate cultivations with average deviation. lipid yield = \((\text{Total lipid concentration})/(\text{Total carbon consumed})\)

ISSN: 2731-3654