Table 5.
Unsaponifiable matters (USM, relative %; n = 2) of the investigated Red Sea halophytes.
| Compound | A. ehrenbergii | S. aegyptiaca | S. monoica | Z. album | Compound | A. ehrenbergii | S. aegyptiaca | S. monoica | Z. album |
|---|---|---|---|---|---|---|---|---|---|
| 1. Hydrocarbon compounds | Uvaol | 11.94 | |||||||
| 5-Eicosene | - | 3.16 | - | - | 9,19-Cycloart-23-ene-3,25-diol | 2.03 | |||
| Pentacosane | - | 0.72 | - | - | 9,19-Cyclolanost-24-en-3β-ol | 44.11 | 4.13 | 0.46 | |
| Hexacosane | - | 0.87 | - | - | 24-Methyl-9,19-cyclolanost-25-en-3β–ol | 3.5 | 5.64 | ||
| Heptacosane | - | 2.73 | - | 0.49 | 24-Methyl-9,19-cyclolanost-24-en-3β–ol | 0.61 | |||
| Nonacosane | - | 1.24 | - | - | Cholesterol | 0.96 | |||
| Pentacosane | - | 0.72 | - | - | Campesterol | 1.22 | 3.98 | ||
| γ-Asarone | 2.49 | Stigmasterol | 5.43 | 8.98 | 1.11 | 2.24 | |||
| 2. Oxygenated compounds | β-Sitosterol | 0.41 | |||||||
| Neo-phytadiene | - | 1.12 | 36.76 | - | γ–Sitosterol | 14.15 | 16.65 | - | 10.6 |
| Phytone | 1.12 | 8.31 | 0.28 | Stigmastanol | 18.33 | ||||
| Phytol | 3.11 | 2.99 | 42.44 | 1.65 | Stigmast-7-en-3β-ol | 5.10 | |||
| Behenic alcohol | - | - | - | 5.33 | Stigmast-3,5-diene | - | 2.15 | - | - |
| α-Eudesmol | - | - | - | 4.08 | Taraxasterol | 5.12 | |||
| β-Eudesmol | - | - | - | 0.34 | Lanosterol | 21.42 | |||
| 2,2,4-Trimethyl-3-(3,8,12,16-tetramethyl-heptadeca-3,7,11,15-tetraenyl)-cyclohexanol | 9.42 | - | - | - | 24-Ethylcholest-22-en-3α-ol | 11.08 | |||
| Dihydroactinidiolide | 3.67 | 0.41 | ∑Sterols and terpenes | 94.63 | 80.58 | 100 | 87.57 | ||
| Epizonarene | - | - | - | 1.74 | ∑USM compounds | 94.63 | 90.02 | 100 | 90.55 |
| Longipinane | 15.75 | ||||||||
| β-Amyrin | - | - | 3.09 | - | |||||
| Squalene | 0.93 | - | - | - | |||||
| Lupeol | 12.83 | 3.29 | 4.21 | - | |||||