Table 1.
Identification and characterization of five major constitutes in the bioactive fractions of AGE by LC-PDA-TOF-MS/MS.
| No. | tR (min) | λmax (nm) | Ionization | m/z | Formula | Fragment ions | Identification |
|---|---|---|---|---|---|---|---|
| 1 | 10.611 | 290 | [M-H]- | 319.0469 | C15H12O8 | 319.0469,301.0354, 283.0262, 257.0461,215.0352,193.0143,175.0035, 125.0245 | Dihydromyricetin |
| 2 | 11.413 | 293 | [M-H]- | 319.0462 | C15H12O8 | 319.0462,301.0370, 257.0464, 215.0358, 193.0149, 175.0047, 125.0252 | Isodihydromyricetin |
| 3 | 12.894 | 352 | [M-H]- | 463.0902 | C21H20O12 | 463.0902, 317.0330, 316.0245, 217.0263, 270.0187 | Myricitrin |
| 4 | 13.464 | 289 | [M-H]- | 303.0515 | C15H12O7 | 303.05-15, 275.0565, 241.0517, 217.0520, 125.0251 | Taxifolin |
| 5 | 15.521 | 370 | [M-H]- | 317.0310 | C15H10O8 | 317.0310, 289.0360, 271.0260, 178.9990 | Myricetin |