Table 1.
No. | Rt (min) | m/z [M + H]+ | Peak area (%) | Chemical formula | Tentative identification |
---|---|---|---|---|---|
1 | 0.84 | 158.0822 | 2.1269 | –a | Unknownb |
2 | 3.06 | 195.0919 | 7.0454 | C8H11N4O2 | Caffeine |
3 | 4.42 | 303.0516 | 4.9190 | C15H10O7 | Quercetin |
4 | 5.10 | 287.0566 | 6.0235 | C15H10O6 | Kaempferol |
5 | 8.52 | 903.2551 | 1.4543 | C42H46O22 | Kaempferol rhamnoside |
6 | 8.56 | 887.2620 | 0.6415 | C42H46O21 | Kaempferol rhamnosyl glucoside |
7 | 16.00 | 621.2712 | 6.3769 | − | Unknown |
8 | 16.15 | 593.2830 | 15.2641 | C31H28O12 | Proanthocyanidin |
9 | 16.52 | 607.2932 | 9.4702 | C36H38N4O5 | Phenyl peptide |
10 | 21.44 | 954.6154 | 2.3624 | – | Unknown |
a–Represents missing chemical formula for the compounds with serial number 1, 7 and 10
b‘Unknown’ means that compound was unidentifiable from searched databases and published literature