Table 1.
Metabolites of extract (AYC-CS-E) isolated from culture supernatant of Aster yomena callus analyzed by electrospray (ESI)-positive mode in ultra-performance liquid chromatography-quadrupole-time-of-flight mass spectrometry (UPLC-QTOF/MS).
| Peak No. | Retention Time (min) | Identification | Exact Mass (m/z) | Fragment Ions (m/z) |
|---|---|---|---|---|
| 1 | 0.60 | Robustic acid | 381.07 | 349, 251, 233, 175 |
| 2 | 1.92 | 3,4-Dicaffeoyl-1,5-quinolactone | 499.12 | 319, 163 |
| 3 | 3.18 | Acetylpterosin C | 277.10 | 235, 217, 131 |
| 4 | 4.42 | Pterosin N | 235.09 | 217, 175, 147, 91 |
| 5 | 5.28 | L-Thyronine | 274.27 | 256, 230 |
| 6 | 5.74 | 3,5-Di-O-methyl-8-prenylafzelechin-4beta-ol | 387.18 | 147, 105 |
| 7 | 5.98 | Dehydrophytosphingosine | 316.28 | 298, 280 |
| 8 | 6.28 | Phytosphingosine | 318.30 | 300, 270, 155 |
| 9 | 7.69 | LysoPC(18:2) | 520.33 | 502, 337, 184, 104 |
| 10 | 7.78 | α-Linolenic acid | 279.23 | 261, 243, 109, 95, 81 |
| 11 | 7.93 | LysoPC(16:0) | 496.33 | 478, 313, 184 |
| 12 | 8.17 | 478, 313, 184, 104 | ||
| 13 | 8.45 | LysoPC(18:1) | 522.35 | 504, 184, 104 |
| 14 | 9.40 | LysoPC(18:0) | 524.36 | 506, 341, 184, 104 |
| 15 | 10.03 | Palmitic amide | 256.26 | 186 |
| 16 | 10.23 | Oleamide | 282.27 | 265, 247 |
| 17 | 11.88 | 13Z-Docosenamide | 338.34 | 321, 303 |
| 18 | 14.01 | PC(18:2/16:0) | 758.57 | 575, 337, 184 |