Table 3.
Fatty acid composition of N. salina grown on F/2 and ICW + F/2 growth media in laboratory scale. Different letters indicate significant differences (p < 0.05).
| Cultivation Time (Day) | 3 | 7 | 14 | 21 | ||||
|---|---|---|---|---|---|---|---|---|
| Fatty Acid | F/2 | ICW + F/2 | F/2 | ICW + F/2 | F/2 | ICW + F/2 | F/2 | ICW + F/2 |
| 14:0 | 1.45 ± 0.44 | 3.22 ± 0.50 | 3.52 ± 0.12 | 0.51 ± 0.05 | 1.40 ± 0.13 | 0.56 ± 0.30 | 2.05 ± 0.50 | 3.53 ± 0.13 |
| 15:0 | 0.04 ± 0.00 | nd | nd | nd | 0.54 ± 0.01 | 1.10 ± 0.40 | 0.30 ± 0.09 | 1.46 ± 0.03 |
| 16:0 | 48.8 ± 0.59 a | 43.3 ± 0.98 b | 32.9 ± 0.53 c | 31.9 ± 0.77 c | 23.7 ± 0.40 d | 20.6 ± 0.64 de | 21.3 ± 0.30 de | 19.1 ± 0.40 e |
| 16:1 (n-7) | 30.3 ± 0.40 a | 30.9 ± 0.10 a | 24.0 ± 0.09 b | 20.4 ± 0.02 c | 25.1 ± 0.51 b | 23.0 ± 0.02 b | 31.9 ± 0.66 a | 17.7 ± 0.51 c |
| 16:2 (n-4) | 0.18 ± 0.01 | 0.23 ± 0.02 | 1.24 ± 0.00 | 0.65 ± 0.00 | 0.33 ± 0.01 | 0.76 ± 0.07 | 0.64 ± 0.02 | 0.38 ± 0.01 |
| 16:3 (n-4) | 0.11 ± 0.03 | 3.57 ± 0.09 | 0.61 ± 0.02 | 0.56 ± 0.03 | 0.75 ± 0.04 | 0.63 ± 0.08 | 0.24 ± 0.05 | 1.01 ± 0.04 |
| 16:4 (n-1) | 0.36 ± 0.22 | 3.35 ± 0.08 | 0.45 ± 0.04 | 0.14 ± 0.19 | 0.44 ± 0.01 | 0.28 ± 0.10 | 0.43 ± 0.03 | 0.66 ± 0.06 |
| 18:0 | 2.35 ± 0.20 | 1.69 ± 0.19 | 5.32 ± 0.09 | 1.82 ± 0.06 | 2.20 ± 0.01 | 2.10 ± 0.06 | 0.51 ± 0.10 | 1.86 ± 0.07 |
| 18:1 (n-9) | 7.03 ± 0.23 | 3.31 ± 0.06 | 9.43 ± 0.08 | 5.61 ± 0.06 | 9.06 ± 0.20 | 6.53 ± 0.06 | 4.22 ± 0.06 | 4.38 ± 0.20 |
| 18:1 (n-7) | 0.75 ± 0.20 | 0.00 ± 0.06 | 0.45 ± 0.08 | 6.31 ± 0.60 | 7.52 ± 0.21 | 7.50 ± 0.45 | 0.57 ± 0.06 | 3.32 ± 0.21 |
| 18:2 (n-6) | 1.13 ± 0.01 | 0.74 ± 0.06 | 1.45 ± 0.03 | 1.35 ± 0.06 | 2.23 ± 0.08 | 1.67 ± 0.07 | 1.63 ± 0.03 | 1.46 ± 0.09 |
| 18:3(n-3) | 0.64 ± 0.10 | 0.50 ± 0.01 | 0.49 ± 0.04 | 0.46 ± 0.03 | 0.04 ± 0.02 | nd | 0.30 ± 0.01 | nd |
| 20:1(n-7) | 0.10 ± 0.00 | nd | 1.20 ± 0.12 | nd | 0.10 ± 0.01 | nd | 0.10 ± 0.01 | nd |
| 20:4 (n-6) | 1.21 ± 0.20 | 0.73 ± 0.06 | 1.92 ± 0.05 | 4.82 ± 0.08 | 3.82 ± 0.07 | 5.63 ± 0.08 | 2.33 ± 0.06 | 4.91 ± 0.07 |
| 20:3 (n-3) | 0.22 ± 0.08 | 0.33 ± 0.08 | 1.57 ± 0.04 | 0.26 ± 0.02 | nd | 0.31 ± 0.02 | 0.17 ± 0.08 | 0.93 ± 0.02 |
| 20:4 (n-3) | 0.10 ± 0.00 | 0.33 ± 0.02 | 0.43 ± 0.03 | nd | 0.31 ± 0.08 | nd | 0.10 ± 0.00 | nd |
| 20:5 (n-3) | 4.95 ± 0.78 a | 7.47 ± 0.23 ab | 10.9 ± 0.11 b | 22.2 ± 0.21 c | 19.9 ± 0.42 c | 26.2 ± 0.25 d | 32.0 ± 0.82 e | 37.1 ± 0.77 f |
| 22:5 (n-3) | 0.66 ± 0.05 | nd | 0.40 ± 0.01 | 0.26 ± 0.04 | 1.35 ± 0.05 | 0.14 ± 0.03 | 0.66 ± 0.03 | 0.27 ± 0.05 |
| 22:6 (n-3) | 0.46 ± 0.09 | 0.15 ± 0.04 | 0.24 ± 0.02 | 1.04 ± 0.40 | nd | 0.69 ± 0.40 | 0.19 ± 0.02 | 0.16 ± 0.05 |
| ∑ SAFA | 51.6 ± 3.25 a | 48.3 ± 2.33 a | 41.8 ± 0.63 b | 34.2 ± 1.25 b | 27.9 ± 0.51 c | 24.4 ± 1.44 c | 24.2 ± 1.63 c | 25.9 ± 0.62 c |
| ∑ n-3 | 6.92 ± 2.41 a | 8.77 ± 0.45 a | 13.6 ± 0.23 b | 24.3 ± 0.70 c | 21.66 ± 0.66 c | 27.4 ± 0.74 d | 33.37 ± 1.0 e | 38.6 ± 1.00 f |
Data are shown as % of fatty acid in total fatty acid composition. Total saturated fatty acids (Σ SAFA), n-3 poly unsaturated fatty acid (∑ n-3); nd, not detected. Different letters in the same row represent significant difference (p < 0.05) for 16:0, 16:1 (n-7), 20:5 (n-3), total SAFA and n-3 fatty acids.