Table 7.
Major fatty acid (FA) components in microalgae extracts from standard extractions (standard) compared to extractions with online bentonite processing (bentonite), expressed as percentage of the total lipid extract (mean ± standard deviation)
| S. obtusiusculus | |||
|---|---|---|---|
| Profile | 4 | 4 | |
| Standard | Bentonite | ||
| C14 | 0.16 ± 0.00 | 0.21 ± 0.04 | |
| C16 | 3.25 ± 0.05 | 4.69 ± 1.00 | |
| C16:1 cis ω7 | 0.45 ± 0.01 | 0.55 ± 0.07 | |
| C16:1 ω9 | 0.41 ± 0.03 | 1.07 ± 0.44 | |
| C16:2 ω6 | 0.71 ± 0.01 | 1.09 ± 0.29 | |
| C16:3 ω3 | 1.13 ± 0.02 | 1.66 ± 0.42 | |
| C16:4 ω3 | 3.91 ± 0.07 | 7.07 ± 2.58 | |
| C18 | 0.17 ± 0.01 | 0.18 ± 0.01 | |
| C18:1 ω9 | 4.09 ± 0.03 | 4.98 ± 0.69 | |
| C18:1 ω7 | 0.79 ± 0.00 | 0.96 ± 0.16 | |
| C18:2 ω6 | 6.93 ± 0.07 | 8.51 ± 1.24 | |
| C18:3 ω3 | 20.62 ± 0.29 | 24.3 ± 3.11 | |
| C18:4 ω3 | 0.88 ± 0.02 | 1.67 ± 0.68 | |
| C20 | ND | ND | |
| C20:1 ω9 | ND | ND | |
| FA yield | 43.52 ± 0.52 | 56.94 ± 10.66 | |
All extractions were carried out at 20 °C
FA yield percentage of FAs from total lipids, ND not detectable