Research Article
Immunomodulatory Effect of Flavonoids of Blueberry (Vaccinium corymbosum L.) Leaves via the NF-κB Signal Pathway in LPS-Stimulated RAW 264.7 Cells
Table 1
Identification of nine constituents of FBL by UPLC/Q-TOF-MS.
| | Number | RT/min | Constituents | Elemental composition | MS1/MS2 (m/z) | Chemical structures |
| | 1 | 2.7 | Myricetin | C15H10O8 | 317.0391 [M-H]−
179.0031, 151.0121, 109.0338 | | | 2 | 4.5 | Rutin | C27H30O16 | 609.1937 [M-H]−
301.0345, 300.0273 | | | 3 | 5.2 | Myricetin-3-rhamnoside | C21H20O12 | 463.0771 [M-H]−
301.0293, 151.0093 | | | 4 | 8.5 | Toxicarolisoflavone | C23H22O7 | 409.1559 [M-H]−
179.0310, 161.0223 | | | 5 | 10.9 | 3,3,4,5,7-Pentahydroxy-6-(4-hydroxybenzyl)-flavanone | C22H18O8 | 409.1484 [M-H]−
179.0357, 135.0451 | | | 6 | 12.4 | Iridin | C24H26O13 | 521.1553 [M-H]−
359.1210, 315.1213, 297.1056, 163.0369 | | | 7 | 13.2 | Quercetin | C15H10O7 | 301.0283 [M-H]−
178.9975, 151.0028 | | | 8 | 16.4 | Cyanidin-3-(6-malonyl-glucoside) | C24H23O14 | 533.1048 [M-H]−
357.0873, 301.0362 | | | 9 | 20.2 | Kaempferol | C15H10O6 | 285.0196 [M-H]−
159.0665, 93.0676 | |
|
|
