Efficient use of discarded vegetal residues as cost-effective feedstocks for microbial oil production

Table 2 Cell biomass yield, lipid production by C. curvatus cultured on Fed-batch pulse-feeding mode in discarded vegetable residues

Waste media	C/N		DCW yield (g/g)	Lipid production (g/L)	Lipid content (w/w %)	Lipid yield (g/g %)	Total Fame (%)
Tomato	15	Before 1st pulse	0.78 ± 0.02	2.6 ± 0.02	9.2 ± 0.1	0.090 ± 0.001	8.1 ± 0.2
	15	Final	0.45 ± 0.01	8.8 ± 0.04	29.4 ± 1.3	0.114 ± 0.000	24.3 ± 0.8
	30	Before 1st pulse	0.51 ± 0.03	2.3 ± 0.04	14.2 ± 0.2	0.082 ± 0.001	14.1 ± 0.1
	30	Final	0.36 ± 0.02	4.7 ± 0.1	29.2 ± 0.9	0.102 ± 0.003	26.9 ± 0.3
	50	Before 1st pulse	0.38 ± 0.01	2.6 ± 0.1	21.6 ± 0.8	0.091 ± 0.003	21.0 ± 0.4
	50	Final	0.40 ± 0.00	5.4 ± 0.1	39.6 ± 1.9	0.156 ± 0.007	38.4 ± 0.5
Watermelon	15	Before 1st pulse	0.39 ± 0.03	6.6 ± 0.2 ±	17.3 ± 0.5	0.105 ± 0.003	14.8 ± 0.1
	15	Final	0.42 ± 0.01	14.7 ± 0.02	29.5 ± 0.1	0.123 ± 0.000	27.3 ± 1.3
	30	Before 1st pulse	0.36 ± 0.01	7.2 ± 0.2	22.4 ± 0.7	0.107 ± 0.003	21.4 ± 2.6
	30	Final	0.37 ± 0.01	11.7 ± 0.3	34.3 ± 0.9	0.142 ± 0.003	23.8 ± 2.9
	50	Before 1st pulse	0.26 ± 0.02	5.6 ± 0.2	23.8 ± 0.4	0.085 ± 0.003	22.3 ± 3.3
	50	Final	0.36 ± 0.01	9.7 ± 0.03	35.4 ± 0.1	0.151 ± 0.001	24.8 ± 1.9
Pepper	15	Before 1st pulse	0.70 ± 0.02	4.3 ± 0.1	8.6 ± 0.1	0.079 ± 0.001	7.3 ± 0.2
	15	Final	0.42 ± 0.01	16.8 ± 0.5	32.7 ± 1.1	0.114 ± 0.003	29.2 ± 1.3
	30	Before 1st pulse	0.43 ± 0.01	5.6 ± 0.2	18.4 ± 0.6	0.099 ± 0.003	14.8 ± 0.4
	30	Final	0.31 ± 0.02	13.1 ± 0.03	36.8 ± 2.3	0.119 ± 0.000	32.6 ± 1.6
	50	Before 1st pulse	0.31 ± 0.02	4.8 ± 0.1	20.8 ± 1.1	0.086 ± 0.002	15.9 ± 0.5
	50	Final	0.28 ± 0.03	11.3 ± 0.01	40.9 ± 0.4	0.129 ± 0.000	37.2 ± 0.2

ISSN: 2731-3654