Table 1 Changes in the fatty acid composition of strain CM4A*
No solvents | 2.0% butanol | |||||||
|---|---|---|---|---|---|---|---|---|
pH 6.0 | pH 6.8 | pH 8.0 | pH 10.0 | pH 6.0 | pH 6.8 | pH 8.0 | pH 10.0 | |
C14:0 | 4.2 ± 0.5 | 4.6 ± 1.3 | 6.5 ± 1.9 | 6.9 ± 0.7 | 5.8 ± 0.3 | 5.0 ± 1.9 | 5.8 ± 0.1 | 4.6 ± 1.9 |
C14:1ω7c | 0.1 ± 0.2 | 0.2 ± 0.2 | 0.5 ± 0.2 | 0.6 ± 0.1 | 0.3 ± 0.3 | 0.3 ± 0.3 | 0.6 ± 0.1 | 0.2 ± 0.2 |
C16:0 | 41.5 ± 1.1 | 41.6 ± 1.0 | 39.6 ± 3.3 | 39.2 ± 2.9 | 49.4 ± 4.1 | 44.8 ± 1.8 | 41.0 ± 1.9 | 43.5 ± 1.7 |
C16:1 | 0.8 ± 0.7 | 1.2 ± 1.1 | 0.9 ± 0.9 | 0.9 ± 0.9 | 1.0 ± 1.0 | 1.9 ± 2.0 | 1.3 ± 1.5 | 0.8 ± 0.7 |
C16:1ω7c | 4.4 ± 1.3 | 6.1 ± 2.0 | 6.5 ± 0.8 | 7.5 ± 1.1 | 6.4 ± 1.2 | 7.2 ± 2.6 | 7.5 ± 1.8 | 6.9 ± 4.4 |
C18:0 | 2.2 ± 0.6 | 1.5 ± 0.2 | 1.3 ± 0.5 | 0.9 ± 0.2 | 2.7 ± 1.2 | 1.6 ± 0.6 | 1.2 ± 0.6 | 5.1 ± 3.6 |
C18:1ω7c | 46.3 ± 2.4 | 44.9 ± 4.8 | 44.3 ± 3.0 | 43.8 ± 1.7 | 30.4 ± 0.9 | 37.6 ± 4.9 | 42.0 ± 4.1 | 38.6 ± 2.8 |
cyclo-C19:0 | 0.6 ± 0.8 | ND | 0.4 ± 0.7 | ND | 3.5 ± 1.1 | 1.3 ± 0.6 | 0.7 ± 0.2 | 0.3 ± 0.3 |
C20:1 | 0.0 ± 0.1 | ND | 0.1 ± 0.1 | ND | 0.5 ± 0.9 | 0.1 ± 0.2 | ND | ND |
Total C14 | 4.3 ± 0.5 | 4.8 ± 1.5 | 6.9 ± 2.1 | 7.5 ± 0.8 | 6.1 ± 0.6 | 5.4 ± 2.3 | 6.4 ± 0.1 | 4.8 ± 1.8 |
Total saturated fatty acids | 47.9 ± 0.6 | 47.6 ± 1.6 | 47.4 ± 4.7 | 47.1 ± 3.3 | 57.9 ± 4.7 | 51.5 ± 1.6 | 47.9 ± 1.4 | 53.2 ± 1.8 |