Table 2.
HPLC and Orbitrap HRMS parameters of 12 mycotoxins.
| Compounds (abbreviations) | Molecular formula | Ion | Rt/min | Measured m/z | Theoretical m/z | Fragment ions | Error (ppm) | NCE (%) |
|---|---|---|---|---|---|---|---|---|
| Ochratoxin A (OTA) | C20H18ClNO6 | [M+H]+ | 13.44 | 404.08789 | 404.08954 | 358.08279, 257.02112 | −4.08 | 10 |
| Ochratoxin B (OTB) | C20H19NO6 | [M+H]+ | 12.39 | 370.12781 | 370.12851 | 223.05954, 324.12219 | −1.89 | 10 |
| Aflatoxin B1 (AFB1) | C17H12O6 | [M+H]+ | 11.41 | 313.06979 | 313.07066 | 285.07471, 270.05087 | −2.78 | 50 |
| Aflatoxin B2 (AFB2) | C17H14O6 | [M+H]+ | 11.19 | 315.08524 | 315.08631 | 287.09055, 259.05942 | −3.40 | 50 |
| Aflatoxin G1 (AFG1) | C17H12O7 | [M+H]+ | 10.76 | 329.06464 | 329.06558 | 243.06461, 215.6949 | −2.86 | 50 |
| Aflatoxin G2 (AFG2) | C17H14O7 | [M+H]+ | 10.48 | 331.08035 | 331.08123 | 313.06967, 245.08006 | −2.66 | 50 |
| HT-2 toxin (HT-2) | C22H32O8 | [M+Na]+ | 11.74 | 447.19690 | 447.19894 | 149.02306, 345.12979 | −4.56 | 40 |
| Sterigmatocystin (ST) | C18H12O6 | [M+H]+ | 15.39 | 325.07004 | 325.07066 | 281.04382, 310.04620 | −1.91 | 40 |
| Diacetoxyscirpenol (DAS) | C19H26O7 | [M+Na]+ | 10.70 | 389.15549 | 389.15707 | 89.05946, 133.08578 | −4.06 | 50 |
| Penicillic acid (PA) | C8H10O4 | [M+H]+ | 4.92 | 171.06497 | 171.06518 | 125.05949, 72.04420 | −1.23 | 40 |
| Mycophenolic acid (MA) | C17H20O6 | [M+H]+ | 12.30 | 321.13220 | 321.13326 | 207.06477, 159.04353 | −3.30 | 40 |
| Citreoviridin (CIT) | C23H30O6 | [M+H]+ | 14.29 | 403.21017 | 403.21150 | 139.03871, 83.04883 | −3.30 | 40 |