Table I.
Sterol profile of cyp51A2-3 allele
| Sterol % | Ws-2 | cyp51A2-3 |
|---|---|---|
| Triterpenes (pentacyclic) | 3 | 2.5 |
| Cycloartenol (1) | 1 | 10 |
| 24-Methylene cycloartanol (2) | 0.5 | 2 |
| Cycloeucalenol (4) | 2 | nd |
| Obtusifoliol (6) | 1 | 7 |
| 24(241)-Dihydro-obtusifoliol (30) | nd | 4 |
| 241-Methyl-obtusifoliol (7) | nd | 1 |
| 14α-Methyl-Δ8-cholestenol (22) | nd | 2 |
| 14α-Methyl-zymosterol (16) | nd | 2 |
| 14α-Methyl-fecosterol (20) | nd | 10 |
| 14α-Methyl-24(241)-dihydrofecosterol (26) | nd | 32 |
| 14α,241-Dimethyl-fecosterol (21) | nd | 5 |
| 14α-Methyl-Δ8-sitostenol (27) | nd | tr |
| Δ7-Sitostenol | 0.5 | nd |
| Brassicasterol (28) | 2.5 | nd |
| Cholesterol (23) | 2 | tr |
| 24-Methylene cholesterol (18) | 1.5 | tr |
| Campesterol (24) | 13 | 1.5 |
| Isofucosterol (19) | 3 | 1 |
| Sitosterol (25) | 64 | 16 |
| Stigmasterol (29) | 6 | 2 |
| Total sterols μg/g DWa | 1,920 | 850 |
a
The se for the quantification of total sterol amounts is 12%. Numbers in parentheses refer to the sterol intermediates (sterols indicated in Fig. 7). nd, Not detected; tr, trace amount; DW, dry weight.