Table 2 Results of GC–MS analysis of the fatty acid methyl esters (FAME) of the saponifiable fraction of the dried leaves of Y.aloifolia variegata.
Peak | Fatty acids corresponding to identified FAME | Retention time (Rt) in min | Relative retention time (RRt)a | Percentage of each component |
|---|---|---|---|---|
1 | Caproic acid (C6) "S" | 3.841 | 0.178 | 4.717 |
2 | Caprylic acid (C8) "S" | 7.225 | 0.335 | 0.002 |
3 | Capric acid (C10) "S" | 10.09 | 0.468 | 0.005 |
4 | Undecanoic acid (C11) "S" | 12.024 | 0.558 | 0.005 |
5 | Lauric acid (C12) "S" | 14.021 | 0.651 | 0.311 |
6 | Tridecanoic acid (C13) "S" | 15.657 | 0.727 | 0.019 |
7 | Myristic acid (C14) "S" | 17.39 | 0.807 | 0.048 |
8 | Cis-10-pentadecenoic (C15) "U" | 19.292 | 0.896 | 0.010 |
9 | Pentadecanoic acid (C 15) "S" | 19.32 | 0.897 | 0.021 |
10 | Palmitoleic acid (C16) "U" | 21.085 | 0.979 | 30.989 |
11 | Palmitic acid (C16) "S" | 21.54 | 1.000 | 58.280 |
12 | Cis-10-Heptadecenoic acid (C17) "U" | 23.678 | 1.099 | 0.001 |
13 | Heptadecanoic acid (C17) "S" | 24.009 | 1.115 | 0.129 |
14 | Gama-linoleic acid (C 18) "U" | 25.241 | 1.172 | 0.022 |
15 | Linolenic acid (C 18) "U" | 25.98 | 1.206 | 0.152 |
16 | Oleic acid (C 18) "U" | 26.124 | 1.213 | 0.950 |
17 | Elaidic acid (C18) "U" | 26.185 | 1.216 | 0.075 |
18 | Stearic acid (C18) "S" | 26.801 | 1.244 | 0.298 |
19 | Cis-5,8,11,14,17-Eicosapentaenoic acid (C20) "U" | 31.122 | 1.445 | 0.157 |
20 | Arachidic acid (C20) "S" | 33.162 | 1.540 | 0.277 |
21 | Heneicosanoic acid (C21) "S" | 36.59 | 1.699 | 0.065 |
22 | Cis-4,7,10,13,16,19-Docosahexaenoic acid (C22) "U" | 37.542 | 1.743 | 0.151 |
23 | Behenic acid (C22) "S" | 39.606 | 1.839 | 0.205 |
24 | Tricosanoic acid (C23) "S" | 42.174 | 1.958 | 0.148 |
25 | Nervonic acid (C24) "U" | 43.946 | 2.040 | 0.002 |
26 | Lignoceric acid (C24) "S" | 44.457 | 2.064 | 0.113 |
% Saturated fatty acids (SFA) | 64.643 | |||
% Unsaturated fatty acids (USFA) | 32.509 | |||
% Total fatty acids | 97.152 |
