Table 2.
Tyrosol data after LC-ESI-MS2 analysis of Ole, Mix, and Mix-seq before and after electrochemical oxidation.
| Compound Name | RT (min) | λmax (nm) | m/z | Tyr 2mM | Mix 2mM | Mix-seq 2mM | MS2 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ref | Ox | Ref | Ox | (Tyr + p-Cou) Ox + Ole | Ox | ||||||||
| T1 | unknown | 10.4 | − | 1794 | − | + | − | − | − | − | |||
| T2 | unknown | 12.9 | 280 | 1820 | − | + | − | − | − | − | 1761 (−59) | ||
| T3 | Tyrosol | 14.6 | 275 | 502 | + | + | + | + | + | + | 365 (−Tyr) | 228 (−Tyr dim) | |
| 402 | + | + | + | + | + | + | 265 (−Tyr) | ||||||
| 273 | + | + | + | + | + | + | |||||||
| T4 | unknown | 17.8 | 285 | 1499 | − | + | − | − | − | − | 1449 (−50) | 1414 (−85) | 1240 (−259) |
| T5 | Tyrosol dimer | 34.0 | 280 | 273 | − | + | − | traces | + | + | 243 (−CH2O) | 255 (−H2O) | |
| T6 | Tyrosol trimer | 38.1 | nd | 409 | − | + | − | traces | + | + | 391 (−H2O) | 341 (−68) | 273 (−Tyr ox) |
| T7 | Tyrosol tetramer | 39.4 | 275–280 | 545 | − | + | − | − | traces | − | 409 (−Tyr ox) | ||
| T8 | Tyrosol trimer | 40.0 | 409 | + | − | − | − | − | 271 (−neutral Tyr) | 341 (−68) | 136 (−Tyr dim) | ||