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Light induced ochratoxin B degradation products detected by HPLC-FLD-FTMS.
| Retention time [min] | Detected m/z (ionization polarity) | Calculated sum formula of the ion | Calculated m/z | Deviation (ppm) | Difference to ochratoxin B |
|---|---|---|---|---|---|
| 6.92 | 222.0760 (positive) | (C11H11O4N+H)+ | 222.0761 | −0.2 | –C9H8O2 |
| 10.30 | 248.0565 (negative) | (C12H11O5N−H)- | 248.0656 | 0 | –C8H8O |
| 16.86 | 340.1180 (positive) | (C19H17O5N+H)+ | 340.1179 | +0.1 | –CH2O |
| 18.04 | 324.1230 (positive) | (C19H17O4N+H)+ | 324.1230 | 0 | –CH2O2 |
