Table 2 Peaks assignment, retention time and mass spectrum of anthocyanin present in Myrtus communis L. fruit peels by LC-ESI-MS.
Peak | Rt(min) | M ion [M + H]+ | MS2 (m/z) | % | Tentative identification |
|---|---|---|---|---|---|
1 | 11.92 | 579,03 | 272, 271 | 6.76 | Pelargonidin-3-O- rutinoside[30] |
2 | 15.93 | 595.53 | 287 | 7.08 | Cyanidin-3-O-rutinoside[30] |
3 | 22.71 | 479.28 | 317, 299 | 12.48 | Petunidin 3-O-glucoside[31] |
4 | 23.56 | 449.10 | 304,287,235,125 | 3.54 | Cyanidin − 3-O- glucoside[30] |
5 | 26.93 | 433.24 | 271 | 8.87 | Pelargonidin-3-O-glucoside[30 |
6 | 27.21 | 493.87 | 331, 270 | 11.87 | Malvidin 3-O-rutinoside [32] |
7 | 28.01 | 465.06 | 303, 257. 229. | 9.24 | Delphinidin-3-O-glucoside[33] |
Total | 59.84 | ||||