Isolation, molecular identification of lipid-producing Rhodotorula diobovata: optimization of lipid accumulation for biodiesel production

Journal of Genetic Engineering and Biotechnology

Table 7 Effect of nitrogen source on biomass and lipid accumulation by Rhodotorula diobovata

Nitrogen source (g/l)	Lipid yield (g/L)*	Dry biomass (g/L)*	Lipid content (%)*
Control	8.17^b	17.65^c	46.29^b
Peptone	7.17^d	17.35^d	41.33^d
Yeast extract	6.41^e	16.83^f	38.09^f
Corn steep liquor	8.27^a	17.77^b	46.54^a
Urea	7.33^c	17.83^a	41.11 ^e
Casein	7.13^d	17.09^e	41.72 ^c
Beef extract	6.16^f	16.15^h	38.14^f
Tryptone	5.79^g	16.61^g	34.86^g

*Superscripts a, b, c, d, e, f, g, and h within the same column imply that mean values denoted by the same letters are not significant, Tukey’s test, α = 0.05, n = 3