Table 1.
Released product after chemical depolymerization of 1 detected by HPLC-Q-Tof.
| Name | Measured m/z [M + H]+ | Calculated m/z [M + H]+ | Diff (ppm) 1 | Chemical Formula |
|---|---|---|---|---|
| (−)-epicatechin phloroglucinol adduct | 415.1023 | 415.1024 | −0.24 | C31H18O9 |
| B-type dimer phloroglucinol adduct 1 | 703.1649 | 703.1657 | −1.14 | C36H30O15 |
| B-type dimer phloroglucinol adduct 2 | 703.1653 | 703.1657 | −0.57 | C36H30O15 |
| B-type trimer phloroglucinol adduct 1 | 991.2305 | 991.2291 | 1.41 | C51H42O21 |
| B-type trimer phloroglucinol adduct 2 | 991.2298 | 991.2291 | 0.71 | C51H42O21 |
1 Mass difference between measured and calculated m/z express as ppm.