TABLE 4.
Identified chemical components of XJS.
| No. | RT (min) | ESI | Molecular weight | Molecular formula | Error (ppm) | Component | CAS |
|---|---|---|---|---|---|---|---|
| 1 | 7.949 | [M-H]- | 254.05829 | C15H10O4 | 1.51 | Daidzein | 486–66–8 |
| 2 | 8.24 | [M + H]+ | 300.09984 | C17H16O5 | 0.22 | 2′,4′-Dihydroxy-3,4-dimethoxychalcone | 4315–88–2 |
| 3 | 8.621 | [M-H]− | 302.0798 | C16H14O6 | 2.51 | 2,6,3′-Trihydroxy-4′-methoxy-2-benzylcoumaranone | NA |
| 4 | 8.758 | [M-H]− | 288.10044 | C16H16O5 | 2.32 | 4,2′,4′-Trihydroxy-3-methoxydihydrochalcone | NA |
| 5 | 9.366 | [M-H]− | 270.08977 | C16H14O4 | 2.07 | Isoliquiritigenin 4-methyl ether | 13,351–10–5 |
| 6 | 9.661 | [M-H]− | 272.10542 | C16H16 O4 | 2.05 | 4′-O-Methyldavidigenin | 65,428–04–8 |
| 7 | 9.801 | [M + H]+ | 166.06317 | C9H10O3 | 1.08 | o-Veratraldehyde | 86–51–1 |
| 8 | 9.807 | [M-H]- | 302.11596 | C17H18O5 | 1.77 | Lusianin | 168,180–11–8 |
| 9 | 10.101 | [M-H]− | 286.08473 | C16H14O5 | 2.12 | Homobutein | 21,583–31–3 |
| 10 | 11.243 | [M-H]− | 286.12123 | C17H18O4 | 2.51 | Loureirin A | 119,425–89–7 |
| 11 | 11.299 | [M + H]+ | 180.07877 | C10H12O3 | 0.69 | 3′,4′-Dimethoxyacetophenone | 1,131–62–0 |
| 12 | 11.306 | [M-H]− | 316.13191 | C18H20O5 | 2.63 | Loureirin B | 119,425–90–0 |
| 13 | 12.31 | [M + H]+ | 288.13633 | C17H20O4 | 0.59 | Methyl 5-[(4-tert-butylphenoxy)methyl]-2-furoate | NA |
| 14 | 12.405 | [M + H]+ | 228.11525 | C15H16O2 | 0.96 | Bisphenol A | 80–05–7 |
| 15 | 12.494 | [M + H]+ | 230.13083 | C15H18O2 | 0.66 | Lindenenol | 26,146–27–0 |
| 16 | 12.977 | [M + H]+ | 230.13086 | C15H18O2 | 0.8 | Dehydrocostus lactone | 477–43–0 |
| 17 | 13.111 | [M + H]+ | 230.1308 | C15H18O2 | 0.52 | Atractylenolide I | 73,069–13–3 |
NA, not available.