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The main parameters of LC/MS analysis of each target compound
| Compound | Cone voltage (V) | Collision energy (eV) | Mother ion (m/z) | Daughter ion (m/z) |
|---|---|---|---|---|
| Cyanidin 3,5-diglucoside | 31 | 34 | 611 | 287 |
| Delphinidin 3- glucoside | 31 | 34 | 465 | 303 |
| Pelargonidin 3,5- diglucoside | 31 | 34 | 595 | 271 |
| Cyanidin 3-glucoside | 31 | 34 | 449 | 287 |
| Pelargonidin 3- glucoside | 31 | 34 | 433 | 271 |
| Ellagic acid | 135 | 34 | 301 | 284 |
