TABLE 1.
Chromatographic and spectral properties of sterols from Chlamydomonas reinhardtii
Systematic Name | Structurea | GC (RRTc) | UV (λmax) | MW (M ) |
Cycloart-24(25)-enol | 1 | 1.43 | EA | 426 |
24β-Methyl cycloart-25(27)-enol | 2 | 1.57 | EA | 440 |
Cycloart-24(28)-enol | 3 | 1.59 | EA | 440 |
4α, 14α-Dimethyl ergosta-8,25(27)-dienol | 4 | 1.23 | EA | 426 |
4α, 14α-Dimethyl ergosta-8,24(28)-dienol | 5 | 1.25 | EA | 426 |
Ergosta-8,25(27)-dienol | 6 | 1.15 | EA | 398 |
4α-,14α-Dimethyl porifersta-8,25(27)-dienol | 7 | 1.40 | EA | 440 |
Ergosta-7,25(27)-dienol | 8 | 1.17 | EA | 398 |
Porifersta-8,25(27)-dienol | 9 | 1.29 | EA | 412 |
Ergost-7-enol | 10 | 1.23 | EA | 400 |
Porifersta-7,25(27)-dienol | 11 | 1.34 | EA | 412 |
Ergosta-5,7-dienol | 12 | 1.2 | 282 | 398 |
Poriferst-7-enol | 13 | 1.39 | EA | 414 |
Ergosta-5,7,22-trienol | 14 | 1.10 | 282 | 396 |
Poriferata-5,7-dienol | 15 | 1.35 | 282 | 412 |
Porifersta-5,7,22-trienol | 16 | 1.28 | 282 | 410 |
Lanosta-8,24-dienol b | 17 | 1.33 | EA | 426 |
4α-,14α-Dimethyl cholesta-8,24-dienol | 18 | 1.15 | EA | 412 |
14α-Methyl cholesta-8,24-dienol | 19 | 1.07 | EA | 398 |
Cholesta-7,24-dienol | 20 | 1.12 | EA | 384 |
Ergosta-5,7,25(27)-trienol | 21 | 1.18 | 282 | 396 |
Ergosta-5,7,22,25(27)-tetraenol | 22 | 1.12 | 282 | 394 |
Porifersta-5,7,25(27)-trienol | 23 | 1.33 | 282 | 410 |
Porifersta-5,7,22,25(27)-tetraenol | 24 | 1.26 | 282 | 408 |
Structures of sterols are shown in Fig. 7.
Lanosterol was not detected in the cells and is given for reference purpose only.