Table 4.
List of polyphenols and flavonoids present in the chamomile aqueous extract as detected via LC-MS/MS. (CE stands for collision energy, Pos ESI stands for Positive Electrospray Ionization, Neg ESI stands for Negative Electrospray Ionization, and m/z represents mass divided by charge number).
| # | Compound | Ionisation | Exact Mass | m/z | Ions | CE |
|---|---|---|---|---|---|---|
| 1 | alpha-Bisabolol | pos ESI | 222.198 | 223.206 | 205.19, 69.07 | 20 |
| 2 | Chamazulene | pos ESI | 184.125 | 185 | 169 | 5 |
| 3 | alpha-Pinene | pos ESI | 136.125 | 137.13 | 121.1, 105.07 | 40 |
| 4 | 3-Epinobilin | pos ESI | 346.178 | 347.1858 | 247.13, 83.04 | 20 |
| 5 | Bisabolol oxide B | pos ESI | 238.193 | 239.2 | 221.19, 81.07 | 20 |
| 6 | 4-Hydroxycoumarine | pos ESI | 162.032 | 163.0395 | 51.0235, 121.0290, 163.0395 | 40 |
| 7 | 7-Hydroxycoumarine | pos ESI | 162.032 | 163.0395 | 119.0497, 145.0290 | 40 |
| 8 | Luteolin | pos ESI | 286.048 | 287.0556 | 153.0188, 109.0290, 213.0552, 269.0450 | 40 |
| 9 | Herniarin | pos ESI | 176.047 | 177.0552 | 77.0391, 121.0290, 103.0548, 133.0653, 147.0446 | 40 |
| 10 | Apigenin-8C-glucoside | pos ESI | 432.106 | 433.1129 | 415.1, 397.1, 367.1 (10 EV) | 5 |
| 11 | Gallic acid | pos ESI | 170.022 | 171.0293 | 153.0188, 125.0239 | 20 |
| 12 | Syringic acid | pos ESI | 198.053 | 199.0606 | 181.0501 | 20 |
| 13 | Protocatechuicacid | pos ESI | 154.027 | 155.0344 | 109.0290, 137.0239 | 20 |
| 14 | p-Hydroxybenzoicacid | pos ESI | 138.032 | 139.0395 | 121.0290, 95.0503 | 20 |
| 15 | Chlorogenicacid | pos ESI | 354.095 | 355.1029 | 163.0395, 337.0923, 193. 0712, 175.0606 | 20 |
| 16 | m-Hydroxybenzoicacid | pos ESI | 138.032 | 139.0395 | 93.034 | 20 |
| 17 | Homovanillicacid | pos ESI | 182.058 | 183.0657 | 137.0603, 165.0552 | 20 |
| 18 | Caffeicacid | pos ESI | 180.042 | 181.0438 | 135.0446, 163.0395 | 20 |
| 19 | Vanillicacid | pos ESI | 168.042 | 169.0501 | 151.0395, 123.0446 | 20 |
| 20 | p-Coumaricacid | pos ESI | 164.047 | 165.0552 | 91.0544, 147.0446, 119.0497 (30 EV) | 20 |
| 21 | Ferulicacid | pos ESI | 194.058 | 195.0657 | 177.0552, 149.0603 | 20 |
| 22 | Kaempferol-3-O-glucoside | neg ESI | 448.101 | 447.0934 | 284.0237, 255.0294, 227.0341 | 40 |
| 23 | Rosmarinicacid | neg ESI | 360.085 | 359.0772 | 161.0240, 359.0767, 197.0454, 135.0709 | 40 |
| 24 | Populnetin | neg ESI | 286.048 | 285.0415 | 164.9985, 255.0296, 227.0357, 117.0346 | 20 |
| 25 | Quercetin | neg ESI | 302.043 | 301.0373 | 151.0013, 178.9964, 271.0250 | 20 |
| 26 | Naringenin | neg ESI | 272.068 | 271.0606 | 135.0082, 119.0497, 151.0031, 93.0340, 109.0290, 83.0133 | 40 |
| 27 | Apigenin | neg ESI | 270.053 | 269.052 | 117.038, 151.0080 | 30 |
| 28 | Hesperetin | neg ESI | 302.079 | 301.0722 | 136.0169, 151.0042, 164.0118, 285.0403 | 40 |