Table 1.
Retention time, molecular weight (before and after derivatization), main m/z ions and m/z ions used for quantification, for each analyte.
| Compound in elution order | Retention time (R.T., min) | MW | TMS groups | MW of the TMS derivate | Main observable m/z ions | Quantification m/z ions |
|---|---|---|---|---|---|---|
| Equol | 33.70 ± 0.08 | 242 | 2 | 386 | 177, 192, 371, 386 | 192 |
| Enterodiol | 34.65 ± 0.09 | 302 | 4 | 590 | 105, 180, 410, 500 | 180 |
| Daidzein | 39.75 ± 0.09 | 254 | 2 | 398 | 184, 383, 398 | 398 |
| Genistein | 40.48 ± 0.08 | 270 | 2 | 414 | 371, 399, 414 | 414 |
| Glycitein | 42.80 ± 0.09 | 284 | 2 | 428 | 398, 413, 428 | 428 |