Table 1.
Proportion (%) of fatty acids and total mono- and polyunsaturated fatty acids in the 7 yeast strains cultivated with 4 nitrogen sources.
| Strain | N source C/N = 70 | 16 : 0 | 16 : 1 | 18 : 0 | 18 : 1 | 18 : 2 | 20 : 0 | Σ Sat | Σ Mono | Σ Poly |
|---|---|---|---|---|---|---|---|---|---|---|
| Candida sp. | (NH4)2SO4 | 13.8 | 7.9 | 3.4 | 36.0 | 36.8 | 2.1 | 19.3 | 43.9 | 36.8 |
| KNO3 | 17.3 | 9.4 | 4.5 | 43.4 | 21.8 | 3.6 | 25.4 | 52.8 | 21.8 | |
| Urea | 18.1 | 10.9 | 4.4 | 46.7 | 13.2 | 6.7 | 29.2 | 57.6 | 13.2 | |
| NH4NO3 | 16.7 | 12.3 | 4.5 | 45.6 | 16.9 | 4.0 | 25.2 | 57.9 | 16.9 | |
| Rhodotorula glutinis | (NH4)2SO4 | 13.1 | 1.3 | 6.9 | 61.7 | 15.6 | 1.4 | 21.4 | 63.0 | 15.6 |
| KNO3 | 17.3 | 1.6 | 7.4 | 65.7 | 6.3 | 1.7 | 26.4 | 67.3 | 6.3 | |
| Urea | 16.8 | 1.7 | 8.0 | 65.0 | 5.4 | 3.1 | 27.9 | 66.7 | 5.4 | |
| NH4NO3 | 16.0 | 1.5 | 9.1 | 64.4 | 7.5 | 1.5 | 26.6 | 65.9 | 7.5 | |
| Trichosporum cutaneum | (NH4)2SO4 | 16.0 | 1.9 | 3.2 | 23.9 | 53.4 | 1.6 | 20.8 | 25.8 | 53.4 |
| KNO3 | 19.4 | 2.3 | 4.4 | 38.9 | 31.8 | 3.2 | 27.0 | 41.2 | 31.8 | |
| Urea | 20.5 | 2.6 | 5.8 | 38.2 | 26.9 | 6.0 | 32.3 | 40.8 | 26.9 | |
| NH4NO3 | 20.4 | 2.6 | 5.1 | 38.9 | 27.4 | 5.6 | 31.1 | 41.5 | 27.4 | |
| Yarrowia lipolytica | (NH4)2SO4 | 10.3 | 9.4 | 2.3 | 38.7 | 35.8 | 3.5 | 16.1 | 48.1 | 35.8 |
| KNO3 | 14.5 | 10.6 | 4.1 | 45.7 | 19.8 | 5.3 | 23.9 | 56.3 | 19.8 | |
| Urea | 15.3 | 11.2 | 3.7 | 46.0 | 14.7 | 9.1 | 28.1 | 57.2 | 14.7 | |
| NH4NO3 | 14.6 | 11.3 | 4.0 | 47.9 | 16.8 | 5.4 | 24.0 | 59.2 | 16.8 | |
| Kluyveromyces polysporus | (NH4)2SO4 | 8.6 | 57.2 | 1.2 | 27.6 | 4.3 | 1.1 | 10.9 | 84.8 | 4.3 |
| KNO3 | 9.2 | 58.0 | 1.5 | 28.1 | 1.5 | 1.7 | 12.4 | 86.1 | 1.5 | |
| Urea | 9.6 | 55.3 | 1.8 | 28.9 | 1.1 | 3.3 | 14.7 | 84.2 | 1.1 | |
| NH4NO3 | 9.0 | 58.1 | 1.5 | 28.6 | 1.5 | 1.3 | 11.8 | 86.7 | 1.5 | |
| Saccharomyces cerevisiae | (NH4)2SO4 | 11.5 | 38.9 | 3.9 | 35.2 | 7.4 | 3.1 | 18.5 | 74.1 | 7.4 |
| KNO3 | 14.1 | 38.5 | 4.0 | 39.1 | 1.0 | 3.3 | 21.4 | 77.6 | 1.0 | |
| Urea | 12.4 | 35.5 | 5.7 | 38.7 | 0.9 | 6.8 | 24.9 | 74.2 | 0.9 | |
| NH4NO3 | 13.2 | 37.7 | 3.9 | 41.0 | 1.1 | 3.1 | 20.2 | 78.7 | 1.1 | |
| Torulaspora delbrueckii | (NH4)2SO4 | 21.4 | 18.4 | 3.0 | 21.9 | 27.2 | 8.1 | 32.5 | 40.3 | 27.2 |
| KNO3 | 26.2 | 22.8 | 4.1 | 26.0 | 15.6 | 5.3 | 35.6 | 48.8 | 15.6 | |
| Urea | 24.3 | 21.7 | 4.5 | 27.1 | 13.2 | 9.2 | 38.0 | 48.8 | 13.2 | |
| NH4NO3 | 26.6 | 21.7 | 4.1 | 28.2 | 14.1 | 5.3 | 36.0 | 49.9 | 14.1 |