Table 1.
MS/MS data in (±) ESI modes and the identification results for the bioactive compounds in Althaearosea.
| Time | MS-ESI | MS-ESI | Error | Content | |||||
|---|---|---|---|---|---|---|---|---|---|
| Peak | (min) | Mode | (+) m/z | (-) m/z | (ppm) | MS/MS(m/z) | Composition | Component | (μg/g) |
| 1 | 1.63 | Neg | 153.0505 | 2.072 | 153 [M-H]- | C7H6O4 | Protocatechuic acid | 113.7 | |
| 136 [M-H-H2O]- | |||||||||
| 2 | 5.1 | PN | 181.0356 | 179.0353 | 3.314(+) | 179[M-H]- | C9H8O4 | Caffeic acid | 340.9 |
| 145[M-H-OH-OH]- | |||||||||
| 135[M-H-COO]- | |||||||||
| 3 | 5.95 | PN | 195.0509 | 193.0505 | 4.144(+) | 193[M-H]- | C10H10O4 | Ferulic acid | 295.6 |
| 176[M-H-OH]- | |||||||||
| 149[M-H-OH-OCH3]- | |||||||||
| 4 | 7.662 | PN | 611.1611 | 609.1606 | 0.654(+) | 609[M-H]- | C27H30O16 | Rutin | 550.1 |
| 463[M-H-Glu]- | |||||||||
| 301[M-H-Glu-]- | |||||||||
| 5 | 9.5 | PN | 611.1388 | 609.1394 | -1.145(+) | 609[M-H]- | C30H26O14 | Quercetin- 3- O- ( 6″- O- trans- p- coumaroyl) -β- D- glucopyranoside | 4371 |
| 301[M-H- coumaroyl-Glu]- | |||||||||
| 6 | 9.51 | PN | 465.1031 | 463.1029 | 0.430(+) | 463[M-H]- | C21H20O12 | Quercetin 4′- O-β- D- glucopyranoside | 3635 |
| 927[2M-H]- | |||||||||
| 301[M-H-Glu]- | |||||||||
| 7 | 11.89 | PN | 449.1001 | 447.1013 | 1.566(-) | 895[2M-H]- | C21H20O11 | Astragalin | 79.14 |
| 447[M-H]- | |||||||||
| 285[M-H-Glu]- | |||||||||
| 8 | 13.56 | Neg | 463.1028 | -0.432 | 463[M-H]- | C21H20O12 | Quercetin- 3- O-β- D- glucopyranoside | 2873 | |
| 301[M-H-Glu]- | |||||||||
| 9 | 16.47 | PN | 303.0497 | 301.0506 | 2.325(+) | 301[M-H]- | C15H10O7 | Quercetin | 606.1 |
| 601[2M-H]- | |||||||||
| 10 | 16.59 | PN | 287.0448 | 285.0456 | -7.367(-) | 285[M-H]- | C15H10O6 | Luteolin | 397.5 |
| 331[M+HCOOH-H]- | |||||||||
| 571[2M-H]- | |||||||||
| 11 | 18.96 | PN | 273.0694 | 271.0688 | 0.518 | 271[M-H]- | C15H12O5 | Naringenin | 285.2 |
| 254[M-H-OH]- | |||||||||
| 12 | 20.12 | Neg | 285.0463 | 4.911 | 285[M-H]- | C15H10O6 | Kaempferol | 87.13 | |
| 268[M-H-OH]- | |||||||||
| 571[2M-H]- | |||||||||
Neg, negative ion mode; PN, positive and negative ion mode.