Table 4.
Constituents of AE from run V1 as determined by LC‐DAD‐MS n analysis
Constituent | Retention time (min) | [M + H]− | MS2 | MS3 | Concentration (mg g−1) | Reference |
---|---|---|---|---|---|---|
Flavonoids | ||||||
Apigenin 6,8‐di‐C‐glucoside a | 8.6 | 593 |
503 473 383 353 |
383 353 |
5.99 ± 0.08 | 30 |
Luteolin di‐C‐hexoside | 9.2 | 609 |
489 429 357 327 |
299 284 |
6.94 ± 0.06 | 31 |
Luteolin C‐(hexoside‐O‐rhamnoside) | 9.6 | 593 |
473 429 357 327 |
299 284 |
4.61 ± 0.05 | 31 |
Vitexin‐2″‐O‐glucoside a | 9.7 | 593 |
473 413 293 |
293 | 7.22 ± 0.07 | 32 |
Apigenin C‐(hexoside‐O‐rhamnoside) | 10.1 | 577 |
457 413 293 |
293 | 1.72 ± 0.02 | 31 |
Eriodictyol‐7‐O‐glucoside a | 10.6 | 449 | 269 |
251 225 209 |
3.77 ± 0.02 | 33 |
Luteolin‐7‐O‐glucuronide a | 10.9 | 461 |
285 381 357 327 |
241 217 199 175 151 |
31.10 ± 0.10 | 31 |
Apigenin glucuronide | 11.9 | 445 | 269 |
225 183 151 |
15.43 ± 0.08 | 31 |
O‐Methyl luteolin glucuronide | 12.4 | 475 | 299 | 284 | 0.62 ± 0.01 | 31 |
Total | 78.38 | |||||
Other phenolics | ||||||
(−)‐Gallocatechin | 1.7 | 305 | 175 |
147 131 |
2.70 ± 0.03 | 34 |
Caffeoyl‐O‐hexoside | 1.8 | 341 |
179 161 143 |
2.72 ± 0.04 | 34 | |
Protocatecuic acid hexoside | 6.1 | 315 | 153 | 109 | 0.79 ± 0.01 | 35 |
Unidentified | 12.2 | 551 |
389 371 345 327 |
327 317 301 |
2.67 ± 0.02 | |
Total | 8.87 | |||||
Organic acids | ||||||
Citric acid a | 2.5 | 191 |
173 111 |
67 | 2.15 ± 0.03 | |
Cannabinoids | ||||||
Cannabidiol a | 28.3 | 315 |
259 233 193 135 123 |
231 217 189 161 |
0.85 ± 0.01 |
Indicates identification with reference standards.