Table 1.
Quantification of native (poly)phenols identified in unformulated and phytosome-formulated products and their mass spectrometric and chromatographic characteristics. Data are expressed as mg/g (mean values ± SD, n = 3).
| Compound | RT (min) | [M − H]− (m/z) | MS2 Ions (m/z) | MS3 Ions (m/z) | Unformulated Quercetin | Phytosome-Formulated Quercetin |
|---|---|---|---|---|---|---|
| Quercetin | 6.17 | 301 | 179 *, 151, 273, 257 | 959.2 ± 95.0 | 382.1 ± 25.1 | |
| Kaempferol | 7.02 | 285 | 285, 151 | n.q. | n.q. | |
| Isorhamnetin | 7.2 | 315 | 300 | n.q. | n.q. | |
| Rutin | 4.27 | 609 | 301, 343, 179 | 301:179, 151, 273, 257 | n.q. | n.q. |
RT: retention time; m/z: mass to charge; * quantifier ions monitored in MS2 experiment are reported in bold; n.q.: compounds detected but not quantified.