Table 1.
The information about formula, maximum absorption wavelength, retention time, product ions and the identification results for the bioactive compounds in RM
Peak no. | t R(min) | UV (λ max) | Identification | Composition | MW | Mode | MS 2 |
---|---|---|---|---|---|---|---|
1 | 2.23 | 203,283 | N-norsinoacutin-β-D -glucopyranoside | C24H29NO9 | 475.1842 | Pos | 476[M + H]+, 314[M + H-C6H10O5]+, 136[ M + H-C6H10O5-NC6H12O5]+ |
2 | 2.89 | 201,280 | 6-O-methyl-laudanosoline -13-O-glucopyranoside | C24H31NO9 | 477.1999 | Pos | 478[M + H]+, 316[M + H-C6H10O5]+, 194[M + H-C6H10O5-C7H4OHOH]+ |
3 | 3.60 | 203,251 | sinomenine | C19H23NO4 | 329.1627 | Pos | 330[M + H]+, 301[M + H-CH3N]+, 271[M + H-CH3N-CH2O]+ |
4 | 3.77 | 226,286 | norsinoacutin | C18H19NO4 | 313.1314 | Pos | 314[M + H]+, 299[M + H-NH]+, 269[M + H-NH-CH2O]+ |
5 | 5.14 | 224,268 | magnoflorine | C20H24NO4 | 342.1700 | Pos | 342[M]+, 297[M-C2H7N]+, 266[M-C2H7N-CH2OH] + |
6 | 6.12 | 227,280,305 | laurifloline | C20H24NO4 | 342.1700 | Pos | 342[M]+, 314[M-CO]+, 269[M-CO-C2H7N]+ |
7 | 8.39 | 196,232,281 | dauricinoline | C37H42N2O6 | 610.3042 | Pos | 611[M + H]+, 580[M + H-CH3O]+ , 388[M + H-CH3O-C11H14 NO2]+ |