Table 3 Lipid level and composition in biofilms and their isolated components
From: Applications of microalgal biofilms for wastewater treatment and bioenergy production
Lipids/fatty acids | Formulas | Biofilm #52 | BAPS-52-1 | BAPS-52-2 | BAPS-52-3 | BAPS-52-4 | BAPS-52-5 |
|---|---|---|---|---|---|---|---|
Lipid concentration |  | 6.3 ± 1.2 | 5.2 ± 1.0 | 6.3 ± 1.8 | 6.9 ± 2.1 | 25.1 ± 4.8 | 20.2 ± 5.2 |
Lauric acid | C12:0 | 4.3 ± 0.9 | 10.0 ± 2.2 | 3.0 ± 0.8 | 2.0 ± 0.7 | ND | ND |
Myristic acid | C14:0 | 1.3 ± 0.2 | ND | 1.2 ± 0.3 | 2.2 ± 0.4 | 6.1 ± 1.9 | 5.2 ± 1.3 |
Palmitic acid | C16:0 | 28.3 ± 5.1 | 27.1 ± 6.2 | 26.8 ± 4.8 | 28.1 ± 6.0 | 28.6 ± 6.0 | 31.0 ± 6.0 |
Stearic acid | C18:0 | 7.01 ± 1.8 | 4.0 ± 0.9 | 3.3 ± 0.7 | 21.8 ± 5.0 | 3.2 ± 0.8 | 1.2 ± 0.3 |
SAFAs |  | 40.9 ± 8.5 | 41.1 ± 8.2 | 34.3 ± 6.8 | 53 ± 10.6 | 37.9 ± 7.2 | 37.4 ± 6.8 |
Palmitoleic acid | C16:1 | 7.4 ± 1.6 | 0.2 ± 0.1 | 8.9 ± 2.1 | 8.8 ± 1.6 | 31.1 ± 7.2 | 33.0 ± 6.3 |
Oleic acid | C18:1 | 8.5 ± 1.9 | 5.2 ± 1.3 | 16.8 ± 4.0 | 5.4 ± 1.3 | 1.6 ± 0.3 | 2.1 ± 0.5 |
Gondoic acid | C20:1 | ND | ND | 0.5 ± 0.2 | ND | ND | ND |
MUFAs |  | 15.9 ± 4.0 | 5.5 ± 1.3 | 26.2 ± 5.3 | 13 ± 3.1 | 32.7 ± 7.1 | 35.1 ± 6.0 |
Hexadecadienoic acid | C16:2 | 3.7 ± 0.5 | 4.5 ± 1.0 | 0.6 ± 0.1 | ND | 3.1 ± 0.9 | 1.1 ± 0.2 |
Linoleic acid | C18:2 | 12.1 ± 2.8 | 16.2 ± 4.2 | 11.4 ± 3.9 | 8.0 ± 2.8 | 0.8 ± 0.2 | 0.9 ± 0.2 |
Linolenic acid | C18:3 | 9.8 ± 2.1 | 15 ± 3.9 | 11.5 ± 3.2 | 12.6 ± 3.0 | 0.7 ± 0.3 | ND |
Arachidonic acid | C20:4 | ND | ND | ND | ND | 5.0 ± 2.8 | 2.5 ± 1.8 |
Eicosapentaenoic acid (EPA) | C20:5 | 4.2 ± 1.0 | ND | ND | ND | 12.1 ± 4.4 | 15.0 ± 4.9 |
Docosahexaenoic acid (DHA) | C22:6 | 1.1 ± 0.3 | ND | ND | ND | 4.1 ± 1.9 | 3.1 ± 1.5 |
PUFAs |  | 30.9 ± 6.9 | 35.7 ± 7.5 | 23.5 ± 5.0 | 20.1 ± 4.2 | 25.8 ± 5.1 | 22.6 ± 4.0 |
Others |  | 12.3 ± 4.2 | 17.7 ± 5.8 | 15.8 ± 3.8 | 14 ± 4.1 | 3.3 ± 1.1 | 4.9 ± 1.9 |