Table 1 Initial identification of major compounds detected in the hexane extract of “Sheba” plant material (leaf and stem) using GC-MS (Fig. 3), showing relative and % abundance compared to internal standard
Number | RT | Compound | RI | Lit. RI | Amounta | Amount (%) |
|---|---|---|---|---|---|---|
1 | 11.62 | Isobutyl benzene (IS)b | 1010 | 50.00 | ||
2 | 12.28 | limoneneb | 1032 | 5.61 | 0.64 | |
3 | 32.81 | neophytadiene isomer 1 | 1836 | 1839c | 38.76 | 4.45 |
4 | 33.69 | neophytadiene isomer 2 | 1879 | 1881c | 14.64 | 1.68 |
5 | 35.41 | hexadecanoic acidb | 1965 | 46.93 | 5.39 | |
6 | 38.72 | linolenic acid | 2143 | 2143a | 33.25 | 3.82 |
7 | 39.10 | octadecanoic acidb | 2164 | 5.02 | 0.58 | |
8 | 44.67 | pentacosane | 2499 | 2500 | 6.31 | 0.73 |
9 | 46.19 | hexacosaneb | 2597 | 7.97 | 0.92 | |
10 | 47.65 | heptacosane | 2698 | 2700 | 9.01 | 1.04 |
11 | 49.09 | octacosaneb | 2797 | 8.40 | 0.97 | |
12 | 49.34 | squaleneb | 2816 | 2814a | 270.17 | 31.04 |
13 | 50.44 | nonacosane | 2897 | 2900 | 10.96 | 1.26 |
14 | 50.76 | Unknown 1 (C30H48) | 2921 | 21.28 | 2.45 | |
15 | 51.03 | Unknown 2 (C30H50O) | 2941 | 9.69 | 1.11 | |
16 | 51.10 | Unknown 3 (C30H50O) | 2946 | 11.09 | 1.27 | |
17 | 51.76 | triacontaneb | 2995 | 16.49 | 1.89 | |
18 | 51.91 | Unknown 4 (C30H50O) | 3007 | 16.45 | 1.89 | |
19 | 53.05 | hentriacontane | 3097 | 3100 | 10.95 | 1.26 |
20 | 53.31 | Unknown 5 | 3118 | 11.37 | 1.31 | |
21 | 53.57 | α-tocopherolb | 3138 | 44.97 | 5.17 | |
22 | 53.64 | α-tocopherolquinone | 3144 | 14.62 | 1.68 | |
23 | 54.97 | campesterol | 3253 | 10.35 | 1.19 | |
24 | 55.28 | stigmasterol | 3279 | 9.70 | 1.11 | |
25 | 55.69 | n-triacontanol | 3313 | 13.10 | 1.51 | |
26 | 56.05 | γ-Sitosterol | 3344 | 3351b | 66.49 | 7.64 |
27 | 56.24 | isofucosterol | 3360 | 3343a | 20.93 | 2.40 |
28 | 56.66 | β-amyrinb | 3395 | 34.04 | 3.91 | |
29 | 57.27 | α-amyrinb | 3444 | 80.58 | 9.26 | |
30 | 57.34 | α-tocopherol derivative | 3450 | 21.16 | 2.43 |