Table 3. Isotopic enrichment of N. gruberi sterols incubated with 50 mM U-13C-glucose.
Sterols | Molecular Formula | 13C-content in normal medium (%) | 13C-content in U13C-glucose medium (%) |
---|---|---|---|
Cholesterol | C27H46O | 1.07 | 1.06 |
Cholesta-5,7-dienol | C27H44O | 1.11 | 2.46 |
Ergosterol | C28H44O | 1.06 | 4.02 |
Erogsta-5,7-dienol | C28H46O | 1.11 | 4.03 |
Cycloartenol | C30H50O | 1.15 | 4.15 |