Table 2.
Composition of FAs extracted from Nannochloropsis sp. Biomass: Comparison between different SF-CO2 extraction conditions.
| Experimental Code | FATTY ACIDS PROFILE – Recovey (%) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OA | LA | TA | PA | PeA | HA | AA | PaA | EA | MY | NA | ETA | LiA | EPA | DHA | |
| E_01 | 38.40 | 3.20 | 4.45 | 9.39 | 0.00 | 8.57 | 5.86 | 4.35 | 29.55 | 3.76 | 9.84 | 0.00 | 18.51 | 2.07 | 0.00 |
| E_02 | 48.36 | 0.57 | 2.06 | 2.66 | 0.34 | 13.47 | 7.10 | 6.57 | 29.35 | 5.72 | 4.01 | 0.10 | 10.12 | 3.13 | 23.17 |
| E_03 | 55.61 | 0.56 | 1.73 | 3.46 | 1.09 | 16.09 | 9.64 | 8.11 | 24.69 | 7.48 | 7.48 | 0.12 | 11.57 | 5.34 | 20.47 |
| E_04 | 6.42 | 0.00 | 2.70 | 0.00 | 29.46 | 30.60 | 0.00 | 4.15 | 99.32 | 0.37 | 0.00 | 2.78 | 6.14 | 1.91 | 3.54 |
| E_05 | 34.19 | 2.99 | 1.44 | 39.13 | 0.28 | 16.45 | 9.14 | 8.01 | 22.82 | 8.05 | 4.41 | 7.72 | 10.45 | 5.93 | 33.13 |
| E_06 | 5.30 | 0.48 | 2.20 | 3.32 | 0.37 | 21.89 | 5.89 | 9.83 | 27.42 | 9.47 | 9.86 | 0.11 | 13.26 | 6.96 | 30.93 |
| E_07 | 66.20 | 0.00 | 0.00 | 97.58 | 0.14 | 4536 | 0.18 | 6.83 | 3.18 | 10.25 | 15.08 | 0.00 | 32.69 | 3.57 | 9.46 |
| E_08 | 36.71 | 8.97 | 2.36 | 37.18 | 0.36 | 19.52 | 10.42 | 10.01 | 33.69 | 8.99 | 5.85 | 0.13 | 13.87 | 5.78 | 55.69 |
| E_09 | 36.71 | 3.22 | 3.25 | 3.07 | 1.22 | 22.31 | 7.01 | 10.82 | 33.30 | 11.62 | 11.47 | 0.28 | 15.59 | 9.13 | 11.32 |
| E_10 | 12.32 | 2.23 | 1.58 | 88.31 | 0.07 | 17.33 | 4.14 | 7.75 | 25.76 | 6.53 | 5.73 | 0.11 | 7.91 | 4.11 | 34.48 |
| E_11 | 30.92 | 5.05 | 3.29 | 0.00 | 0.32 | 20.13 | 5.72 | 9.93 | 43.06 | 8.39 | 8.02 | 0.02 | 6.85 | 6.24 | 39.49 |
| E_12 | 45.94 | 1.06 | 2.59 | 1.98 | 0.47 | 23.02 | 6.84 | 11.15 | 38.62 | 10.47 | 9.34 | 9.00 | 3.18 | 7.66 | 79.63 |
| E_13 | 3.02 | 0.00 | 2.80 | 0.00 | 0.00 | 12.23 | 80.59 | 5.62 | 1.00 | 0.23 | 0.23 | 0.00 | 0.44 | 4.51 | 14.82 |
| E_14 | 72.03 | 2.59 | 2.51 | 1.99 | 0.64 | 22.08 | 7.01 | 11.09 | 31.80 | 10.55 | 17.59 | 2.35 | 14.43 | 7.77 | 54.71 |
| E_15 | 53.68 | 0.75 | 2.92 | 5.06 | 0.63 | 25.38 | 14.50 | 12.49 | 45.52 | 12.89 | 12.65 | 0.00 | 16.91 | 10.12 | 69.15 |
| E_16 | 7.59 | 0.00 | 1.50 | 0.00 | 0.00 | 5.31 | 30.10 | 1.94 | 3.22 | 0.30 | 0.90 | 0.00 | 0.28 | 4.79 | 19.31 |
| E_17 | 76.91 | 0.87 | 2.97 | 0.76 | 1.45 | 27.96 | 12.25 | 14.01 | 39.64 | 12.60 | 13.50 | 0.10 | 18.93 | 8.74 | 53.55 |
| E_18 | 64.15 | 6.42 | 4.24 | 5.15 | 2.00 | 31.71 | 11.34 | 14.96 | 49.08 | 17.94 | 17.81 | 0.00 | 19.38 | 15.59 | 59.22 |
Note: Standard deviation was less than 5% in all operative conditions; Where: T: Temperature; P: Pressure; CO2 FR: CO2 flow rate; OA: Octanoic acid; LA: Lauric acid; TA: Tridecanoic acid; PA: Palmitic acid, PeA: Pentadecanoic acid; HA: Heptadecanoic acid; AA: Arachidic acid; PaA: Palmitoleic acid: EA: Elaidic acid; MA: Myristoleic acid; NA: Nervonic acid; LiA: Linoelaidic acid; DHA: Docosahexaenoic acid; ETA: cis-5,8,11,14 Eicosatetraenoic acid; EPA: cis-5,8,11,14,17 Eicosapentaenoic acid.