Table 1. LC/TOF-MS data of phenolic compounds.
| No. | tR [min] | Compound | m/z [M-H]- | m/z of in-source fragment ions |
| 1 | 6.91 | Gallic acid | 169.0141 | 125.0232 |
| 2 | 14.86 | Procyanidin B1 | 577.1332 | 407.0693, 289.0701, 245.0778 |
| 3* | 15.37 | Procyanidin dimer | 577.1282 | 407.0728, 289.0678, 245.0655 |
| 4 | 15.95 | (+)-Catechin | 289.0716 | 245.0789, 203.0715 |
| 5* | 16.72 | Procyanidin trimer | 865.1968 | 713.1505, 695.1157, 577.1189, 407.0724, 289.0743, 245.0564 |
| 6* | 17.35 | Procyanidin dimer | 577.1344 | 407.0749, 289.0713, 245.0683 |
| 7 | 17.91 | Procyanidin B2 | 577.1341 | 407.0733, 289.0683, 245.0772 |
| 8* | 18.63 | Procyanidin dimer | 577.1326 | 407.0753, 289.0712, 245.0707 |
| 9 | 19.13 | (−)-Epicatechin | 289.0706 | 245.0792, 203.0666 |
| 10* | 20.51 | Procyanidin trimer | 865.1982 | 713.1497, 695.1391, 577.1267, 407.0772, 289.0677, 245.0544 |
| 11* | 21.26 | Procyanidin dimer gallate | 729.1464 | 577.1216, 407.0760, 289.0700, 245.0597 |
| 12* | 21.31 | Procyanidin tetramer | 1153.2642 | 1001.2333, 983.2046, 865.1931, 577.1223, 407.0764, 289.0703, 245.0601 |
| 13* | 24.26 | Epicatechin-3-O-gallate | 441.0824 | 289.0706, 245.0644, 169.0143 |
| 14* | 24.85 | Procyanidin dimer | 577.1276 | 407.0717, 289.0692, 245.0713 |
Asterisk indicates those only detected in KOS GSE.