Open Access
Table 4
GC-MS identification of phytosterols and alkylsalicylic acids from unsaponifiable.
Ret.Time | m/z | Identification | 3b Akbou | 7b Elkala | 8b Blida | |||
---|---|---|---|---|---|---|---|---|
Alkylsalicylic acids silyl esters | Area | % | Area | % | Area | % | ||
11.683 | 374, 207, 193, 180, 165 | C15:1 | 2 021 536 | 26.92 | 2 910 483 | 42.86 | 1 416 252 | 32.95 |
11.787 | 374, 207, 193, 180, 165 | C15:1 | 298 418 | 3.97 | 294 500 | 4.34 | 216 470 | 5.04 |
11.851 | 376, 207, 193, 180, 165 | C15:0 | 699 594 | 9.32 | 472 092 | 6.95 | 310 660 | 7.23 |
12.254 | 192, 143 | NI | 2 071 988 | 27.6 | 1 325 905 | 19.53 | 1 620 353 | 37.7 |
13.67 | 402, 180, 165 | C17:1 | 1 480 699 | 19.72 | 1 092 044 | 16.08 | 507 068 | 11.8 |
13.765 | 402, 180, 165 | C17:1 | 936 268 | 12.47 | 695 181 | 10.24 | 227 070 | 5.28 |
Phytosterols silyl esters | ||||||||
26.804 | 472, 382, 343, 207, 129 | Campesterol, TMS | 1 008 566 | 2.70 | 2 728 825 | 7.37 | 739 221 | 3.0 |
27.174 | 483, 393, 207 | NI | 323 628 | 0.87 | 257 251 | 0.69 | 0 | 0 |
28.025 | 484, 394, 355, 281, 207 | Stigmasterol, TMS | 427 520 | 1.14 | 1 885 985 | 5.10 | 265 877 | 1.10 |
29.123 | 483, 393, 281, 207 | NI | 491 899 | 1.32 | 381 210 | 1.03 | 0 | 0 |
30.155 | 484, 394, 355, 281, 207 | NI | 193 489 | 0.52 | 174 070 | 0.47 | 0 | 0 |
30.476 | 486, 396, 381, 357, 255 | β-Sitosterol, TMS | 19 841 066 | 53.09 | 22 865 500 | 61.79 | 16 281 468 | 67.57 |
31.205 | 386, 281, 207 | NI | 1 625 896 | 4.35 | 1 392 926 | 3.76 | 834 133 | 3.46 |
32.744 | 218, 189 | Lupeol TMS | 4 269 839 | 11.42 | 2 826 449 | 7.64 | 2 239 892 | 9.30 |
33.253 | 483, 393, 365, 339 | NI | 7 122 113 | 19.06 | 2 761 691 | 7.46 | 2 148 576 | 8.92 |
36.330 | 483, 422, 407, 379, 281 | NI | 2 030 622 | 5.43 | 1 730 922 | 4.68 | 1 584 655 | 6.58 |
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