Table 8. Chemical constituents in LR-BH and LR-BT based on UHPLC-ESI-MS/MS.
RT (min) | [M-H]− | Mass fragments, MS/MS | Suggested identification | Reference |
LR-BH | ||||
0.80 | 377 | 341, 221, 179, 161, 97, 87 | Hexose-based compound | MassBank |
1.29 | 227 | 183 | Phenolic | - |
1.45 | 241 | 197, 181, 169, 140 | Derivative of emodin | MassBank |
4.20 | 497 | 451, 433, 225 | Lanostane-type triterpenoid | Yang et al. [33] Liu et al. [34] |
4.84 | 451 | 433, 333, 225, 207, 81 | Lanostane-type triterpenoid | Yang et al. [33] Liu et al. [34] |
4.99 | 497 | 451, 433, 333, 225 | Lanostane-type triterpenoid | Yang et al. [33] Liu et al. [34] |
LR-BT | ||||
1.29 | 203 | 159, 143, 116. 74 | Tryptophan | Ying et al. [36] MassBank |
1.45 | 241 | 197, 181, 169, 140 | Derivative of emodin | Von Wright et al. [42] MassBank |
4.20 | 497 | 451, 433, 333, 225 | Lanostane-type triterpenoid | Yang et al. [33] Liu et al. [34] |
5.01 | 497 | 451, 433, 333, 225 | Lanostane-type triterpenoid | Yang et al. [33] Liu et al. [34] |
RT, retention time.