Table 2.
Precursor ion, exact mass, retention time, and fragments of proposed AFB1 degradation products.
| Proposed Product | Molecular Formula | Mass Exact [M+H]+/[M+Na]+ | Error (ppm) | Retention Time (min) | Fragments |
|---|---|---|---|---|---|
| AFB1-dialdehyde/AFB1-dihydrodiol | C17H14O8 | 347.0761 | 1.6 | 21.3 | No data |
| AFB2a/P1 | C17H14O7 | 331.0812 | 1.2 | 22.0 | 303.0861, 299.0550, 284.0316, 267.0288, 239.0338 |
| AFQ1 | C17H12O7 | 329.0656/351.0475 | 2.2 | 22.8 | 311.0343, 283.0601, 259.0601, 247.0602 |
| Unidentified peak 1 | C17H14O8 | 347.0761 | 1.3 | 23.6 | No data |
| epi-AFQ1 | C17H12O7 | 329.0656/351.0475 | 1.9 | 23.6 | 311.0343, 283.0601, 259.0601, 247.0603 |
| Unidentified peak 2 | C17H14O8 | 347.0761 | 1.3 | 24.7 | No data |
| AFM1 | C17H12O7 | 329.0656/351.0475 | 3.2 | 24.8 | 329.0656, 301.07, 273.05 |
| Unidentified peak3 | C17H14O8 | 347.0761 | 2.3 | 26.7 | No data |
| AFB1 | C17H12O6 | 313.0706 | 1.0 | 27.8 | 285.0575, 270.0522, 243.0652, 201.0912 |